Duke's online Citing Sources guide for fast formatting advice.

A list of the most commonly used Print Manuals.

A long list of subject-specific manuals.

To find style guides in a specific subject area, search the catalog for the subject area and "Authorship" as a subject search:

example: Political Science -- Authorship

To find more style guides for the sciences, use the following subject search:

example: Technical Writing Handbooks, Manuals, etc.

See also Avoiding Plagiarism and the Writing Studio's working with sources section.