PDF Citation Generator
Create PDF citations from a DOI or manual document details. No PDF upload. Starts in APA 7. First 3 sources free. Select the actual source type.
Add a pdf
Start with a link or identifier. We’ll find the details for you to review.
Saved in this browser. Edits, style changes, copies and exports don’t use another free citation.
Cite from real papers in AnswerThis
Find papers and develop your writing with linked sources. Review the evidence behind each claim. Opens in a new tab; references saved here stay in this browser. Copy or export before continuing.
How to cite a PDF
PDF describes a file format, not a citation category. Select Journal article, Book, Thesis or Report when you know what the PDF contains. Paste a DOI from the document for lookup, or enter its title-page metadata manually; this tool does not upload or read the PDF.
Citation software formats the information supplied to it; it cannot confirm that every field is complete or that a source is suitable for your work. Compare the output with the original source and the current instructions you must follow.
Use the selected source and style together
Open the PDF yourself and identify what it contains: an article, report, thesis, book or another document. This citation page does not upload or read PDFs. Use an identifier printed inside the document for lookup or enter its title-page details manually. APA 7 is the starting style, but the document’s actual type controls the useful fields.
For the shared lookup and formatting walkthrough, see the citation generator guide. Keep this page’s edition and source-specific checks beside your output as you review it.
What to check
- Citing “PDF” as though it were the work’s source type
- Assuming the file name or download URL is its title
Which fields identify this PDF document?
A file format does not establish a source category. A report saved as PDF still needs the report’s creator, title, publication date and institution or publisher; a journal article saved as PDF needs its journal and publication details. The filename may be a download identifier rather than the title. A hosting website can be a repository rather than the author. Inspect the title page and publication information before deciding what each field should contain.
Worked PDF document walkthrough
For a PDF containing Array programming with NumPy, read DOI 10.1038/s41586-020-2649-2 from the publication and look up that identifier. Review the resulting article record, including Nature, year 2020 and the published creators. Select Journal article rather than treating PDF as the final citation category. This is an input walkthrough, not a claim that the tool read the file. For a report without an identifier, supply the equivalent fields from its title page manually.
Before using your PDF document reference
A scanned page can be legible to you even though no metadata is available for automatic lookup. Manual entry remains possible, but do not guess a missing author or date from the file’s download timestamp. Distinguish the document’s printed page numbers from a PDF viewer’s screen counter when citing a passage. Verify the stable public document location and any report number your required style needs before copying the final reference.
Metadata and formatting
DOIs use Crossref, with DataCite when Crossref has no record; PMIDs use NCBI PubMed and ISBNs use Open Library. Public URLs use page metadata; YouTube oEmbed supplies title and channel, but no upload date. Pinned CSL styles format the records. No AI generates citation details, and PDFs are not uploaded or read here.
Frequently asked questions
Can I upload a PDF here?
No. The tool does not upload or read files. Use a DOI from the document or enter its title-page metadata manually.
Which source type should a PDF use?
Choose what the document is—a journal article, report, thesis, book, or another work—not its file format.
Which citation style does this PDF document page use?
It starts in APA 7. Select the exact edition and system your assignment or publisher requires before generating. The source type and the style are separate choices: identifying the work correctly supplies the fields, while the selected CSL file controls the reference and short citation. Use older APA or MLA editions only when explicitly required.
Can I enter PDF document details manually?
Yes. Open the PDF yourself and identify what it contains: an article, report, thesis, book or another document. This citation page does not upload or read PDFs. Use an identifier printed inside the document for lookup or enter its title-page details manually. APA 7 is the starting style, but the document’s actual type controls the useful fields. If lookup cannot supply a field, inspect the original record and enter what you can verify. Leave unavailable information blank instead of creating a complete-looking reference from guesses.
How do I cite an organization as the PDF document creator?
Enter the organization as a group author in braces, such as {World Health Organization}. This keeps it as one creator rather than splitting the words into a personal name. First confirm that the organization actually created the work: a repository, platform or publisher is not automatically the author. Preserve any credited personal authors in their published order.
What if the PDF document has missing or conflicting dates?
Check the original publication or repository record and identify what event each date describes. A modification, download or access date is not automatically the publication date. Leave an unknown date blank and review the selected style’s missing-date output rather than guessing a year.
Can I export the PDF document citation for free?
The first 3 sources are free per browser, shared across citation pages. Copy the formatted entry or export saved references as BibTeX or RIS for a compatible reference manager. Check imported fields and document formatting after transfer. Download a copy before leaving; browser storage can be removed, and signing up for AnswerThis does not automatically move the saved references into a project.