From the American Geophysical Union.
AGU follows American Psychological Association (APA) style on grammar, punctuation, table formatting, citations, and references. This full guide includes basic APA style (and exceptions) and AGU-specific style.
Citing Music Sources - From the Music Library at the University of Western Ontario, this is a guide to citing music sources in essays and bibliographies. There are many examples using the Turabian citation style.
Government Documents
Uncle Sam - Brief Guide to Citing Government Publications - This page from the University of Memphis "provides examples of the most common examples of government document citations. These examples are based on the Chicago/Turabian standard bibliographic style and not reference-list form."
Legal Citations
The Bluebook is the standard for legal citations. Other citation styles, like APA, refer users to the Bluebook to create accurate citations.