Learn the warning signs of invented references and test whether a citation supports the statement attached to it.

Check that the source exists

Search the exact title in quotation marks. If needed, try the author, publisher, DOI, or a distinctive phrase.

Match the details

Compare author, title, publication, date, and URL. Incorrect details can point to a malformed citation.

Read the cited passage

Check whether the passage supports the exact claim, rather than merely discussing a related topic.

Follow claims back to primary material

For statistics, find the original dataset or report. For software behavior, use official documentation.

Label uncertainty honestly

If you cannot retrieve a source, call it unverified rather than presenting it as genuine.

Editorial note: This guide is for general educational purposes. Verify important claims with authoritative sources before publication or action.