The APA Manual is the gold standard for writing, formatting and citation in the field of psychology.

• Title: Publication Manual of the American Psychological Association. 6th ed.
  Publisher: Washington, DC: American Psychological Association, 2010.
  Call number: MAIN Reference & SCHAFFNER Reference 029.6 A513p 2010
  
  See also:
  • APA Formatting and Style Guide (from the OWL at Purdue)
  • APA Lite for College Papers (from docstyles.com)
  • Frequently Asked Questions About APA Style (from APA Style)
  • APA Style Blog is the official blog for news and comments on APA style and includes tips for various types of references such as:
    
    
    • How to Cite Something You Found on a Website in APA Style
    • How to Cite Recorded Music in APA Style (+ Playlist)
    • How to Create a Reference for a YouTube Video
    • How Do You Cite an E-Book (e.g., Kindle Book)?
    • I Can't Find the Example Reference I Need in the Publication Manual. What Should I Do?

Here some additional style guides you might use in other related fields.

• Author: William Strunk and E. B. White.
  Title: The Elements of Style.
  Publisher: New York: Penguin Press, 2005.
  Call number: MAIN Reference 808 S927e 2005
• Title: ASA Style Guide. 3rd ed.
  Publisher: Washington, DC: American Sociological Association, 2007.
  Call number: MAIN Reference 301 A512a 2007
• Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers. 2nd ed.
  Publisher: Bethesda, MD: U.S. National Library of Medicine, 2007.
• Title: The Chicago Manual of Style. 16th ed.
  Publisher: Chicago: University of Chicago Press, 2010.
  Call number: MAIN Reference (Desk) & SCHAFFNER Reference 655.2 C53 2010
  Online Access: click for full text
  See also:
  • Chicago Manual of Style 16th Edition (from the OWL at Purdue)
• Title: MLA Handbook for Writers of Research Papers. 7th ed.
  Publisher: New York: Modern Language Association of America, 2009.
  Call number: MAIN & MAIN Reference 808.027 M685 2009
  See also:
  • MLA Formatting and Style Guide (from the OWL at Purdue)
• Title: The Bluebook : A Uniform System of Citation. 18th ed.
  Publisher: Cambridge, MA: Harvard Law Review Association, 2005.
  Call number: MAIN Reference 340.148 U58
• Author: Janice R. Walker.
  Title: The Columbia Guide to Online Style. 2nd ed.
  Publisher: New York: Columbia University Press, 2006.
  Call number: MAIN Reference (Desk) 808.027 W181c 2006
  Online Access: click for full text