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Chicago citation generator

Paste a DOI, link, ISBN or title. Every result comes from Crossref or OpenAlex, never from a guess.

Save citations to a free library and export them all at once.

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Chicago author-date at a glance

Journal article
Last, First, and First Last. Year. "Title of Article." Journal Name Volume (Issue): pages. https://doi.org/xx.xxx.
Book
Last, First. Year. Title of Book. Publisher.
Web page
Last, First, or Organisation. Year. "Title of Page." Site Name, Month Day, Year. URL.
In-text
(Author Year, page). Three or more authors: first author et al.

Questions

Which Chicago is this?

The author-date system of the Chicago Manual of Style, 18th edition, used across the sciences and social sciences. The notes and bibliography system is not offered yet.

Where does the citation data come from?

From Crossref, the registry publishers use for DOIs, and from OpenAlex for books and papers Crossref does not list. We format what the record says and never fill a gap with a guess.

Why does a name or place in my title look lowercase?

Styles that use sentence case lowercase every word after the first. We keep acronyms, but we cannot tell a proper noun from an ordinary word, so check names of people, places and organisations before you submit.

Is it free?

Yes. The generator, the DOI converter and the reference checker need no account. A free account adds a library you can export from.