Review publication matches, unresolved references and formatting suggestions in APA, MLA and Chicago styles. Choose a structure check or a publication-record lookup below.
Paste one reference per line to use the bibliography checker. You can review 1–100 entries in one check. Keep each complete reference on a single line and include the title, authors, year and DOI when available.
This reference list checker helps you review matching publications, conflicting details, unresolved entries and duplicates separately. Open an entry to inspect the supplied text, returned evidence and any differences before changing your bibliography.
For a single identifier, use the DOI checker.
APA, MLA and Chicago formatting suggestions still need review against your required style guide and source type. A well-formatted reference can describe the wrong publication, and a publication match does not establish research quality or support for your claim.
These two reference lines use the same public article. The second deliberately changes its year from 1969 to 1970. The publication record and tool results were checked on September 27, 2026; records and provider availability can change.
Input
Campos, O. (1969). O estudo da demanda e das necessidades e sua importância para o planejamento de saúde. Revista de Saúde Pública, 3(1), 79-81. https://doi.org/10.1590/S0034-89101969000100010
Observed result
Deep Verification found a publication match for the supplied reference. This example shows agreement with the available record, not a judgment about the article's quality or claims.
Input
Campos, O. (1970). O estudo da demanda e das necessidades e sua importância para o planejamento de saúde. Revista de Saúde Pública, 3(1), 79-81. https://doi.org/10.1590/S0034-89101969000100010
Observed result
Deep Verification found the same publication, but the supplied year was 1970 and the record showed 1969. The repeated DOI also marked this entry as a duplicate. The year conflict remained visible; a duplicate label did not make the reference correct.
Compare the publisher record and Crossref record before correcting the reference.
Quick Scan on these same lines did not verify either publication or compare the years with a record. It could flag the repeated DOI, while the publication-check outcome remained unverified.
A completed search with no match is different from incomplete input, an unsupported identifier or a provider failure. Review the reported outcome and coverage. None of these outcomes proves that a reference was fabricated.
Check the original publication and add missing details when available. Use the citation finder to search from partial bibliographic details, then compare any candidate with the source you intended to cite.
A duplicate flag can identify repeated text or a shared publication identifier while an entry still has conflicting details. Retraction findings and their notice links also need separate review. No retraction notice found is not a guarantee that none exists.
Yes. Choose APA, MLA or Chicago for limited structure advice and available citation suggestions. This is not a complete check of every style-edition rule, source type or document layout. Review the final references against your required style guide.
Deep Verification can search from supported reference details when no DOI is supplied. Include the title, author, year and publication information you have. Coverage is incomplete, and missing records do not prove fabrication. Bare ISBN, PMID and arXiv identifiers are not supported directly.
No. This tool reviews the reference lines you paste. It does not compare your manuscript's in-text citations with the list, identify uncited references or assess whether a source supports a sentence in your writing.
No. Paste plain-text references, one complete reference per line. Word and PDF uploads, BibTeX/RIS imports and references split across multiple lines are not supported.
An account with available credits is required. Quick Scan and Deep Verification use different credit rules, shown above the Check Bibliography button. Review those rules and your balance before starting.