APA Style.org supplements the Publication Manual, 6th ed., but does not replace it. Online guidelines for commonly asked questions about electronic references are provided. The References section excerpts information from the Publication Manual. It is updated as additions are made to the APA style.
AMA Style Guide (University of Washington)
A quick reference guide to citation examples derived from American Medical Association Manual of Style, 10th ed., 2007. For more extensive information, see American Medical Association Manual of Style in the KUSM-W Farha Medical Library reference section: WZ 345 A511 2007.
The NLM Style Guide for Authors, Editors, and Publishers, 2nd ed, 2007