The American Anthropological Association uses the most current edition of The Chicago Manual of Style for citations and formatting of papers. Other Chicago style sources include:
Chicago-Style Citation Quick Guide - this page has sample citations for various sources, including books, journals and websites.
Chicago Manual of Style pages at the OWL at Purdue.
Information and helpful Websites for citing your sources:
First, why is it important to cite your sources in academic writing? This Research Guide from the University of Nebraska lists the reasons why citing sources is important.
Almost all library databases have automated citation generators. Look at the top of the article or in EBSCO's tool bar on the right side of the page. In JSTOR, the Citation tool is at the side of each article result page.
Publication Manual of the American Psychological Association by 
MLA Handbook for Writers of Research Papers by 
A Manual for Writers of Research Papers, Theses, and Dissertations by