This guide will help you format commonly used citations in APA format, 6th edition. For more help, refer to a copy of the Publication Manual of the American Psychological Association, 6th ed.
A useful, detailed summary of the MLA Handbook for Writers of Research Papers (7th ed., 2009) and the MLA Style Manual and Guide to Scholarly Publishing (3rd ed., 2008) created by the Online Writing Lab (OWL) at Purdue University.