In-Text Citation Checker: Does Every Citation Match Your Reference List?
Paste your essay with its reference list, or open the .docx. Every in-text citation is matched to an entry, so you see citations with no entry, references you never cite, and years or names that disagree. The check runs in your browser, so your essay is not sent to Litrevu. For papers we can open, you can then read the passages closest to each sentence that cites them.
Paste your essay and its reference list
A .docx is read on your device, superscript citation numbers included.
Matching rules checked against APA Style, Cite Them Right Harvard, the Chicago Manual of Style, the MLA Style Center, the IEEE Reference Guide and the ICMJE Recommendations on 4 and 6 October 2026.
What the checker finds
Four kinds of problem, each shown in the sentence it sits in:
- Citations with no entry. (Okafor, 2019) in your text, and no Okafor 2019 in your list. This is the slip a marker is most likely to read as an invented source.
- References you never cite. An entry that nothing in your text points to.
- Years and names that disagree. You cite Braun and Clarke (2008); your list says 2006. You cite Kahnemann; your list has Kahneman.
- Citations that fit more than one entry. Jones (2012) when your list has Jones 2012a and 2012b, or Kim (2019) when two different Kims published that year.
Anything it cannot place for certain, such as the Great Recession (2008) or an abbreviation it has not seen defined, goes under Worth a second look, never under missing.
Citation forms it reads
- Bracketed and narrative: (Luna, 2020), Luna (2020), Luna's (2020) model
- A name and a year in a sentence with no brackets, as in In 2020, Luna found: read against your list, so it counts as citing Luna 2020, and a year that differs is flagged to look at again
- Two authors and et al.: (Salas & D'Agostino, 2020), Salas and D'Agostino (2020), (Martin et al., 2020), also written et al without a full stop
- Several works in one bracket, with see, see also or e.g.: (Sampson & Hughes, 2020; see also Augustine, 2017)
- Pages and other locators: (Stoddard et al., 2020, p. 47), (Liu et al., 2020, para. 3), (Merenda, 2018, Chapter 14)
- Dates: 2020a and 2020b, n.d., in press
- Group authors and abbreviations: (National Institute of Mental Health [NIMH], 2020), then (NIMH, 2020)
- Secondary sources: (Rabbitt, 1982, as cited in Lyon et al., 2014) needs only Lyon et al. in your list
- Personal communications: (T. Nguyen, personal communication, February 24, 2020) needs no entry
- Chicago author-date: (Binder and Kidder 2022, 117–18)
- Numbered styles: [1], [2], [5], [1]–[4], [3, p. 7], (6-9, 13), and superscript numbers from a .docx
- MLA: (Baron 194), (Best and Marcus), (Taylor et al., “Collaboration”)
An example: one paragraph, four slips
This is the checker's real output for the example behind the Try an example button. All five references are real papers, and the slips are deliberate.
Thematic analysis is one of the most widely used approaches in qualitative psychology (Braun & Clarke, 2008). People weigh a loss more heavily than a gain of the same size (Kahneman & Tversky, 1979; Tversky & Kahneman, 1992). Kahnemann and Tversky (1979) put it as losses looming larger than gains. Deep learning lets models learn representations of data with several levels of abstraction (LeCun et al., 2015, p. 436). Ioannidis (2005) argued that small studies and flexible analyses make many published findings unreliable.
References
- Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101. https://doi.org/10.1191/1478088706qp063oa
- Ioannidis, J. P. A. (2005). Why most published research findings are false. PLoS Medicine, 2(8), e124. https://doi.org/10.1371/journal.pmed.0020124
- Kahneman, D., & Tversky, A. (1979). Prospect theory: An analysis of decision under risk. Econometrica, 47(2), 263–291. https://doi.org/10.2307/1914185
- LeCun, Y., Bengio, Y., & Hinton, G. (2015). Deep learning. Nature, 521(7553), 436–444. https://doi.org/10.1038/nature14539
- Vaswani, A., Shazeer, N., Parmar, N., Uszkoreit, J., Jones, L., Gomez, A. N., Kaiser, Ł., & Polosukhin, I. (2017). Attention is all you need. Advances in Neural Information Processing Systems, 30.
6 citations checked against 5 references: 1 with no entry, 1 never cited, 2 to check.
Citations with no entry in your list (1)
Tversky & Kahneman, 1992
People weigh a loss more heavily than a gain of the same size (Kahneman & Tversky, 1979; Tversky & Kahneman, 1992).
No entry in your list for Tversky & Kahneman, 1992. Add the reference, or take the citation out.
Check these (2)
Braun & Clarke, 2008
Thematic analysis is one of the most widely used approaches in qualitative psychology (Braun & Clarke, 2008).
You wrote 2008; your list says 2006 for Braun & Clarke.
Kahnemann and Tversky (1979)
Kahnemann and Tversky (1979) put it as losses looming larger than gains.
You wrote Kahnemann; your list has Kahneman (1979).
References you never cite (1)
Vaswani, A., Shazeer, N., Parmar, N., Uszkoreit, J., Jones, L., Gomez, A. N., Kaiser, Ł., & Polosukhin, I. (2017). Attention is all you need. Advances in Neural Information Processing Systems, 30.
Not cited anywhere in your text. Cite it, or take it out of your list.
Matched (3)
- Ioannidis, J. P. A. (2005). Why most published research findings are false. PLoS Medicine, 2(8), e124. https://doi.org/10.1371/journal.pmed.0020124 (cited 1 time)
- Kahneman, D., & Tversky, A. (1979). Prospect theory: An analysis of decision under risk. Econometrica, 47(2), 263–291. https://doi.org/10.2307/1914185 (cited 1 time)
- LeCun, Y., Bengio, Y., & Hinton, G. (2015). Deep learning. Nature, 521(7553), 436–444. https://doi.org/10.1038/nature14539 (cited 1 time)
How to check if your in-text citations are correct
- Every citation has an entry, and every entry is cited.
- Names and years match exactly.
- Letters and initials tell apart works that would otherwise look the same.
- The source says what you cite it for.
APA's rule covers the first two: “Each work cited must appear in the reference list, and each work in the reference list must be cited in the text (or in a table, figure, footnote, or appendix).” And: “Ensure that the spelling of author names and the publication dates in reference list entries match those in the corresponding in-text citations.” (APA Style, Basic Principles of Citation)
What has to match, style by style
| Style | How a citation points to its entry | What must agree | Source |
|---|---|---|---|
| APA 7 | Author and year: (Luna, 2020) | Names and year, letter included | APA Style, Basic Principles of Citation |
| Harvard (Cite Them Right) | Author and year: (Handy, 1987); et al. from four authors | Names and year | UWE Bristol, Cite Them Right Harvard: in-text citations; Newcastle University Library, When do I use et al. in Cite Them Right Harvard? |
| Chicago author-date | Author and year, no comma: (Yu 2020, 45) | Names and year | The Chicago Manual of Style, Author-Date: Sample Citations |
| MLA 9 | Author (or title) and page: (Baron 194) | The name or title that starts the entry; no year | MLA Style Center, In-text citations: an overview |
| IEEE | A number in square brackets: [4] | The number | IEEE Reference Guide, version 3.28.2025 |
| Vancouver | A number, in order of first mention: (1) | The number, the same every time | ICMJE Recommendations, Preparing a Manuscript for Submission; Imperial College London Library, Vancouver style: citing |
Sources read 6 October 2026 (the IEEE Reference Guide on 4 October 2026). The APA pages were read through the Internet Archive's copies of 30 August to 2 October 2026.
Does every reference need an in-text citation?
In APA, yes: every entry must be cited somewhere in the text, a table, a figure, a footnote or an appendix. Two kinds of source work the other way round:
- Personal communications “are not included in the reference list; they are cited in the text only.” (APA)
- Secondary sources: you cite the original “as cited in” the source you read, and only the source you read goes in the list. See How to Cite a Source Cited in Another Source (APA, Harvard, MLA and Chicago, 2026).
A bibliography is not the same as a reference list. UWE Bristol defines a bibliography as “An alphabetical list of all the sources of information you have used in preparing your written piece of work, even if the sources are not referred to directly or cited within the text.” (UWE Bristol) When your list is headed Bibliography, the checker shows entries you never cite as information, not errors. Check which one your brief asks for.
IEEE's guide says “References need not be cited in the text.” (IEEE Reference Guide), but most course rules still expect it, so the checker marks an uncited IEEE entry as one to check.
How to check citations and references match in Word
Word cannot match them for you, but you can do it by eye. Ken Endacott described this method on WordRibbon Tips (17 June 2023):
- Copy your reference list into a second document.
- In your essay, use Find and Replace with wildcards to highlight every bracketed citation.
- Open both documents and choose View Side by Side.
- Work through the citations. When you find a citation's entry, highlight both in green; when you cannot, highlight the citation in red. “References that have no highlighting are not cited.”
A bracket search misses narrative citations such as Luna (2020) found, so read for those too. Or open the .docx above: the checker reads bracketed, narrative and superscript citations in one pass, on your device.
Does the source say what you cite it for?
A matching entry shows the source is in your list. It does not show that the source says what your sentence says. APA's own rule is to “Cite only works that you have read and ideas that you have incorporated into your writing.”
- Find the line, not the topic. A passage on the same subject is not the same claim.
- Match the strength. If the paper says a factor may be associated with an outcome, your sentence should not say it causes it.
- Match the scope: the population, the place and the measure.
- Check where the citation sits. When one sentence makes two claims from two sources, each citation belongs next to the claim its source makes.
After a check, the tool above can show you the passages in each cited paper that come closest to your sentence, for papers with an open-access PDF and for PDFs you add. It quotes them exactly and does not say whether a passage backs you: you judge that. When nothing comes back, the sentence is marked unchecked, which means it could not be searched, not that the source disagrees.
Putting a source into your own words is part of the same job: How to Paraphrase Sources in Academic Writing (Without Plagiarizing).
Why markers notice
A citation with no entry is easy to spot: a marker who looks for it in your list does not find it. One graduate student described a zero on a draft after two slips: “One citation I deleted from my bibliography and forgot to delete from the text”, which the professor called a “fabricated citation indicative of AI”, and another that “was in the wrong spot in a sentence” (r/GradSchool, read 21 September 2026). Neither source was invented.
Turnitin's guide describes an “Exclude cited text” filter that “removes properly cited material, including in-text citations and their associated sentences, from the Similarity Report” (Turnitin Guides, How exclusion filters refine the Similarity Report). It does not describe checking each citation against your reference list. Guide updated 14 November 2025, read through the Internet Archive on 6 October 2026.
More on what the score means: What Your Turnitin Similarity Score Actually Means (2026 Student Guide).
How accurate is it?
The matching uses written rules, not AI, so the same text always gets the same answer. It is tested on 21 documents whose right answer comes from the style guides above: missing entries, uncited entries, wrong years, misspelt names and ambiguous letters, plus 37 documents that must come back clean, because a false “no entry” is the worst mistake this tool can make. The current version gets 58 of 58 right.
What it cannot do
- Footnote styles such as Chicago notes and bibliography or OSCOLA. It recognises them and says so, rather than guess.
- Superscript numbers pasted as plain text, because pasting drops the formatting. Open the .docx instead.
- Citations inside images or scanned pages.
- A missing entry for a citation written with no brackets, as in In 2020, Okafor found. That form is read only against the names in your list.
- Formatting. It checks that citations and entries agree, not commas, italics or the order of a reference's parts. To check that each reference is real and its details are right, use the Reference Checker.
- MLA years. MLA citations carry no year, so it matches names only.
- Whether a source supports your sentence. It shows the closest passages for papers it can open, and the judgement is yours.
Your essay and privacy
The check runs in your browser. Your essay and your list are not sent to Litrevu or anyone else to check them, and nothing is saved. A .docx you open is read on your device too. If you came from the Reference Checker, this tab keeps your list for up to 30 minutes so it can fill it in. The line under your results says whether anything has been sent since, and what.
Finding passages is a separate step that runs only when you press for it. Each sentence that cites a paper in your library is sent, without its citation, to Litrevu's server and to OpenAI to run the search. It is not saved to your library or our database.
To find open-access copies, the references you cite (not your essay) are sent to Litrevu's server, which looks them up in Crossref and OpenAlex, as the Reference Checker does.
Only the papers go into your library, never your essay. The papers are read like any Litrevu upload: see how we handle your papers.
A guest library may be deleted after 48 hours unless you create a free account.
If you leave this page to sign in, this tab keeps your text for 30 minutes so you can carry on.
Questions
Is the in-text citation checker free?
Yes, with no account and no limit on checks, because the check runs in your browser. Seeing passages needs the papers in a library, so the first time you add one we start a free guest library for you, and passage searches have an hourly limit.
Does every reference need an in-text citation?
In APA and most reference-list styles, yes: “Each work cited must appear in the reference list, and each work in the reference list must be cited in the text (or in a table, figure, footnote, or appendix).” A bibliography can also list works you read but did not cite, so under a Bibliography heading the checker shows uncited entries as information. IEEE allows uncited references, but most course rules do not.
What does not need an entry in the reference list?
Two things. A personal communication, such as an interview or an email, is cited in the text only. And when you cite a source you found inside another source, only the one you read goes in the list: in (Rabbitt, 1982, as cited in Lyon et al., 2014), Lyon et al. is listed and Rabbitt is not. The checker never flags either.
Do professors check in-text citations?
There is no rule for how closely a marker reads, but a citation with no entry is easy to find: anyone who looks for it in your list will not see it. One graduate student got a zero on a draft after a citation stayed in the text when its reference was deleted, and the professor called it a “fabricated citation indicative of AI”. A check before you submit takes a minute.
Does Turnitin check in-text citations?
Not against your reference list, as far as Turnitin's own guide describes. Its Similarity Report looks for text that matches other sources. The guide describes an “Exclude cited text” filter that “removes properly cited material, including in-text citations and their associated sentences, from the Similarity Report”, and a filter that leaves the bibliography out of the matches. It does not describe checking that each citation has an entry in your list. (Guide updated 14 November 2025, read through the Internet Archive on 6 October 2026.)
How do I check that my citations and references match in Word?
Open the .docx above: it is read on your device, and superscript citation numbers survive, which a copy and paste loses. To check by hand, use the side-by-side highlighting method under How to check citations and references match in Word on this page.
Does it work for Harvard, Chicago, MLA and numbered styles?
Yes: APA, Harvard, Chicago author-date, MLA, IEEE and Vancouver. MLA citations carry no year, so for MLA it matches names only. Numbered styles match by number, and if your list has no visible numbers it takes the list's order as the numbering and says so. Footnote styles such as Chicago notes and bibliography are recognised and not checked.
What about (WHO, 2020), et al. and 2020a?
An abbreviation matches its group author. If your text never defines it, as in (World Health Organization [WHO], 2020), it is matched and you get a note to define it. Et al. matches the first author of any entry. A letter after the year must match the letter in your list; a citation without one, when your list has 2020a and 2020b, goes under Check these.
Why is something under Worth a second look instead of missing?
Either it may not be a citation at all, such as the Great Recession (2008), or the checker cannot be sure which entry it means. It says a citation has no entry only when it is sure the text is a citation and no entry fits. Anything less certain is left for you to judge.
Is my essay saved or sent anywhere?
No. The check runs in your browser: your essay is not sent to Litrevu or anyone else, and a .docx you open is read on your device. Finding passages is a separate step that runs only when you press for it. Finding open-access PDFs sends the references you cite to Litrevu's server, which looks them up in Crossref and OpenAlex. Showing the passages sends each sentence that cites a paper in your library, without its citation, to Litrevu's server and to OpenAI to run the search. It is not saved to your library or our database.
Does it check my APA formatting?
Only where formatting breaks the match: a missing 2020a, et al. on a source with two authors, or an abbreviation used before it is defined. It does not check commas, italics or the order of your list. To check that each reference is real and its details are right, use the Reference Checker.
Is this the same as the Reference Checker?
No. The Reference Checker looks each reference up in Crossref and OpenAlex to see whether it exists and whether its details are right. This tool checks that your text and your list agree with each other. Use both before you submit: the Reference Checker links here when it finishes.
Does it tell me whether a source supports my sentence?
No. It shows the passages in the cited paper that come closest to your sentence, quoted exactly, and the judgement is yours: does the passage say what you say, and as strongly? Closest is not the same as supporting.
Why is a sentence marked unchecked?
Because it could not be searched: we do not have the paper's text, the paper is still being read, or the search did not run. Unchecked never means the source disagrees with you. A sentence of fewer than six words once its citation is taken out is marked too short to search instead.
Related guides
- Do You Need a Citation After Every Sentence in a Literature Review? (2026)
- How to Cite a Source Cited in Another Source (APA, Harvard, MLA and Chicago, 2026)
- How to Paraphrase Sources in Academic Writing (Without Plagiarizing)
- 10 Common Literature Review Mistakes (and How to Avoid Them)
- What Your Turnitin Similarity Score Actually Means (2026 Student Guide)
- How to Prove You Wrote Your Own Work: Building a Paper Trail for 2026
- How to Spot Fake AI Citations Before You Submit (2026 Guide)
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