For APA - American Psychological Association used for the social sciences including education, management, psychology and the health sciences.

APA Style Rules on How to Format Your Paper (margins, title page, references, etc.)
APA Style Rules

Print Formats
Book
Subject encyclopedias
Magazine article
Journal article
Newspaper article
Book Review
Table in Statistical Abstract of the United States

Online Formats
Web pages
Full-text Articles from Any Online Database
eBook from Net Library
Email

Miscellaneous Formats
Movie (DVD, Videocassette)

Variations Within Formats
Multiple Authors
Editor, not author
No date of publication
An article without an author
FAQs

Additional Resources - Online
APA In-Text Citations - Tips and information about in-text citations from the CSS Library
APA Style - APA website
APA Formatting and Style Guide - from Purdue University
APA Documentation - University of Wisconsin, Madison
APA Citation Style - Cornell University
Citing Resources Using the APA Style - University of Minnesota

Reference
American Psychological Association. (2001). Publication manual of the American
Psychological Association (5th ed.). Washington, D.C.: American Psychological
Association.