APA Style, 6th Edition

• Include author (if known)
• Include date of publication, copyright date, or date of last update
• Include title of web site, in italics. 
• If the information is likely to change, include the date you accessed the information.  
• Incluce URL (Web address) of the site

Web site with author:

Kraizer, S. (2005). Safe child. Retrieved February 29, 2008, from http://www.safechild.org/

Web site with corporate author or association:

American Nurses Association. (2006). Mercury in vaccines [Position statement]. Retrieved from

http://nursingworld.org/MainMenuCategories/Policy-Advocacy/Positions-and-Resolutions

/ANAPositionStatements/Archives/Mercury-in-Vaccines.html

Web site with unknown author:

Penn State myths. (2006). Retrieved December 6, 2011, from http://www.psu.edu/ur/about/myths.html

Page within a Web site (unknown author):

Global warming 101. (2012). In Union of Concerned Scientists. Retrieved December 14, 2012, from

        http://www.ucsusa.org/global_warming/global_warming_101/