The American Psychological Association provides citation guidelines that are used in the social sciences as well as business and communication.  Please note that some sociology instructors may prefer ASA format provided by the American Sociological Association.  When using sources for an assignment, check with your instructor for citation preferences. 

Help with APA Style is available on the following sites:

 

 

APAStyle
From: American Psychological Association
Learning APA style with a free tutorial.

APA Formatting and Style Guide
The Owl at Purdue University