Article From an Online Periodical
Online articles follow the same guidelines for printed articles. Include all information the online host makes available, including an issue number in parentheses.
Author, A. A., & Author, B. B. (Date of publication). Title of article.Title of Online Periodical, volume number(issue number if available). Retrieved from http://www.someaddress.com/full/url/
Bernstein, M. (2002). 10 tips on writing the living Web. A list apart: For people who make websites, 149. Retrieved from http://www.alistapart.com/articles/writeliving
Newspaper Article
Author, A. A. (Year, Month Day). Title of article. Title of Newspaper. Retrieved from http://www.someaddress.com/full/url/
Parker-Pope, T. (2008, May 6). Psychiatry handbook linked to drug industry. The New York Times. Retrieved from http://www.nytimes.com
Electronic Books
Electronic books may include books found on personal websites, databases, or even in audio form. Use the following format if the book you are using is only provided in a digital format or is difficult to find in print. If the work is not directly available online or must be purchased, use "Available from," rather than "Retrieved from," and point readers to where they can find it. For books available in print form and electronic form, include the publish date in parentheses after the author's name.
De Huff, E. W. (n.d.). Taytay’s tales: Traditional Pueblo Indian tales. Retrieved from http://digital.library.upenn.edu/women/dehuff/taytay/
taytay.html
taytay.html
Davis, J. (n.d.). Familiar birdsongs of the Northwest. Available from http://www.powells.com/cgi-bin/biblio?inkey=1-
9780931686108-0
9780931686108-0
Chapter/Section of a Web document or Online Book Chapter
Author, A. A., & Author, B. B. (Date of publication). Title of article. In Title of book or larger document (chapter or section number). Retrieved from http://www.someaddress.com/full/url/
Engelshcall, R. S. (1997). Module mod_rewrite: URL Rewriting Engine. InApache HTTP Server Version 1.3 Documentation (Apache modules). Retrieved from http://httpd.apache.org/docs/1.3/mod/mod_rewrite.html
Peckinpaugh, J. (2003). Change in the Nineties. In J. S. Bough and G. B. DuBois (Eds.), A century of growth in America. Retrieved from GoldStar database.
NOTE: Use a chapter or section identifier and provide a URL that links directly to the chapter section, not the home page of the Web site.
Online Encyclopedias and Dictionaries
Often encyclopedias and dictionaries do not provide bylines (authors' names). When no byline is present, move the entry name to the front of the citation. Provide publication dates if present or specify (n.d.) if no date is present in the entry.
Feminism. (n.d.). In Encyclopædia Britannica online. Retrieved from http://www.britannica.com/EBchecked/topic/724633/feminism
Online Lecture Notes and Presentation Slides
When citing online lecture notes, be sure to provide the file format in brackets after the lecture title (e.g. PowerPoint slides, Word document).
Hallam, A. Duality in consumer theory [PDF document]. Retrieved from Lecture Notes Online Web site: http://www.econ.iastate.edu/classes/econ501/Hallam/
index.html
index.html
Roberts, K. F. (1998). Federal regulations of chemicals in the environment [PowerPoint slides]. Retrieved from http://siri.uvm.edu/ppt/40hrenv/index.html
Nonperiodical Web Document, Web Page, or Report
List as much of the following information as possible (you sometimes have to hunt around to find the information; don't be lazy. If there is a page like http://www.somesite.com/somepage.htm, and somepage.htm doesn't have the information you're looking for, move up the URL to http://www.somesite.com/):
Author, A. A., & Author, B. B. (Date of publication). Title of document. Retrieved from http://Web address
Angeli, E., Wagner, J., Lawrick, E., Moore, K., Anderson, M., Soderland, L., & Brizee, A. (2010, May 5). General format. Retrieved from http://owl.english.purdue.edu/owl/resource/560/01/
NOTE: When an Internet document is more than one Web page, provide a URL that links to the home page or entry page for the document. Also, if there isn't a date available for the document use (n.d.) for no date.
Online Forum or Discussion Board Posting
Include the title of the message, and the URL of the newsgroup or discussion board. Please note that titles for items in online communities (e.g. blogs, newsgroups, forums) are not italicized. If the author's name is not available, provide the screen name. Place identifiers like post or message numbers, if available, in brackets. If available, provide the URL where the message is archived (e.g. "Message posted to..., archived at...").
Frook, B. D. (1999, July 23). New inventions in the cyberworld of toylandia [Msg 25]. Message posted to http://groups.earthlink.com/forum/messages/00025.html
Blog (Weblog) and Video Blog Post
Include the title of the message and the URL. Please note that titles for items in online communities (e.g. blogs, newsgroups, forums) are not italicized. If the author’s name is not available, provide the screen name.
J Dean. (2008, May 7). When the self emerges: Is that me in the mirror? [Web log comment]. Retrieved from http://www.spring.org.uk/the1sttransport
Psychology Video Blog #3 [Video file]. Retrieved from http://www.youtube.com/watch?v=lqM90eQi5-M
Wikis
Please note that the APA Style Guide to Electronic References warns writers that wikis (like Wikipedia, for example) are collaborative projects that cannot guarantee the verifiability or expertise of their entries.
OLPC Peru/Arahuay. (n.d.). Retrieved April 29, 2011 from the OLPC Wiki: http://wiki.laptop. org/go/OLPC_Peru/Arahuay