Crossref

Formatted citations and publication details

Find scholarly works and format citations from their registered metadata.

Get citation

Get citation

Get a formatted citation and publication details for the best-matching Crossref work by title or DOI. Optional author and year help choose among similar works; citations reflect the metadata deposited with Crossref.

Your information

Work

Paper or book title or DOI, for example The Structure of Scientific Revolutions or 10.1038/nrd842.

YearOptional

Publication year to help select a work, for example 1996.

StyleOptional

Citation style, for example mla.

AuthorOptional

Author to help select a work, for example Thomas S. Kuhn.

1 credit per run

Example results

DOI: 10.7208/chicago/9780226458106.001.0001
Type: book
Year: 1996
Issue: Not provided
Pages: Not provided
Title: The Structure of Scientific Revolutions
Volume: Not provided
Citation: Kuhn, T. S. (1996). The Structure of Scientific Revolutions. University of Chicago Press. https://doi.org/10.7208/chicago/9780226458106.001.0001
DOI Link: doi.org
Journal or Publisher: University of Chicago Press
Authors: Thomas S. Kuhn

Example data · Run in Studio for fresh results.

About Crossref

Get citation returns citation and publication details for a title or DOI; optional author and year help match the work.

Built by Fous from crossref.org and citation.doi.org and checked automatically; it last passed a check on Sep 29, 2026. Fous is not affiliated with Crossref.

Actions

Get citation

1 credit per run

Uses Crossref and citation.doi.org.

What you provide

Field	Type	Required	Description
Work`work`	Text	Required	Paper or book title or DOI, for example The Structure of Scientific Revolutions or 10.1038/nrd842.Example: The Structure of Scientific Revolutions
Year`year`	Number	Optional	Publication year to help select a work, for example 1996.Example: 1996
Style`style`	Text	Optional	Citation style, for example mla.Example: Apa
Author`author`	Text	Optional	Author to help select a work, for example Thomas S. Kuhn.Example: Thomas S. Kuhn

What you get

Field	Type	Description
DOI`doi`	Text	Example: 10.7208/chicago/9780226458106.001.0001
Type`type`	Text	Example: Book
Year`year`	Number	Example: 1996
Issue`issue`	Text	Example: 7
Pages`pages`	Text	Example: 491-492
Title`title`	Text	Example: The Structure of Scientific Revolutions
Volume`volume`	Text	Example: 1
Authors`authors`	List
Citation`citation`	Text	Example: Kuhn, T. S. (1996). The Structure of Scientific Revolutions. University of…
DOI Link`doi_link`	Text	Example: https://doi.org/10.7208/chicago/9780226458106.001.0001
Journal or Publisher`journal_or_publisher`	Text	Example: University of Chicago Press

Example result

For Work: The Structure of Scientific Revolutions, Year: 1996, Style: Apa, Author: Thomas S. Kuhn

JSON

{
  "doi": "10.7208/chicago/9780226458106.001.0001",
  "type": "book",
  "year": 1996,
  "issue": null,
  "pages": null,
  "title": "The Structure of Scientific Revolutions",
  "volume": null,
  "authors": [
    "Thomas S. Kuhn"
  ],
  "citation": "Kuhn, T. S. (1996). The Structure of Scientific Revolutions. University of Chicago Press. https://doi.org/10.7208/chicago/9780226458106.001.0001",
  "doi_link": "https://doi.org/10.7208/chicago/9780226458106.001.0001",
  "journal_or_publisher": "University of Chicago Press"
}

For developers

Run this workflow from your own code. In Studio, turn on Developer mode and create an API key.

cURL

# First set your key: export FOUS_API_KEY='YOUR_FOUS_API_KEY'
: "${FOUS_API_KEY:?Set FOUS_API_KEY before running this example}"

curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 120 \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@crossref",
  "visibility": "public",
  "operation": "get_citation",
  "version": 1,
  "input": {
    "work": "The Structure of Scientific Revolutions",
    "year": 1996,
    "style": "apa",
    "author": "Thomas S. Kuhn"
  },
  "response": {
    "format": "json"
  }
}'

What you can do with it

Create formatted citations for papers and books
Look up publication details from a DOI
Match a work using its title, author, and year
Format citations in a chosen style

Questions

Is Fous affiliated with Crossref?

No. Fous is not affiliated with Crossref. This workflow reads the public crossref.org website and returns its data.

How much does it cost?

Each run costs 1 credit. With pay-as-you-go, a credit costs 1¢; monthly plans cost less per credit.

Do I need a Crossref account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from crossref.org when you run it; repeating the same request within a day may return the saved result. Fous checks this workflow automatically; it last passed a check on Sep 29, 2026.