APA

Endangered Species Program. (2007, February 8). U.S. Fish & Wildlife Service.
     Retrieved February 28, 2007, http://www.fws.gov/endangered/

Roberto Clemente. (n.d.). National Baseball Hall of Fame. Retrieved February
     28, 2007, from http://www.baseballhalloffame.org/hofers_and_honorees/
     hofer_bios/Clemente_Roberto.htm

Endangered Species Program. 8 Feb. 2007. U.S. Fish & Wildlife Service. 28 Feb. 2007
     <http://www.fws.gov/endangered/>.

Roberto Clemente. National Baseball Hall of Fame. 28 Feb. 2007
     <http://www.baseballhalloffame.org/hofers_and_honorees/hofer_bios/
     Clemente_Roberto.htm>.

Chicago

U.S. Fish & Wildlife Service. 8 February 2007. Endangered Species Program.
   http://www.fws.gov/endangered/ (accessed February 28, 2007).

National Baseball Hall of Fame. "Roberto Clemente."
   http://www.baseballhalloffame.org/hofers_and_honorees/hofer_bios/
   Clemente_Roberto.htm (accessed February 28, 2007).

Siemens, George. 26 February 2007. "Connectivism: What's happening with
   content?" In elearnspace Blog [online discussion board].
   http://www.elearnspace.org/media/Calgary/player.html (accessed February 28,
   2007).

Electronic discussion list:

Kearns, A. (2007, February 2). Freshmen courses and iPod tours. Message
     posted to ILI-L electronic mailing list, archived at http://lists.ala.org/wws/arc/
     ili-l/2007-02/msg00019.html

Personal communication:

[According to the APA Style manual, a nonarchived email message is not considered recoverable data, and it should not be cited in the reference list. Instead, it should be cited within the text as a personal communication (section 3.102, p. 214).]

Electronic discussion list:

Kearns, Andrew. "Freshmen Courses and iPod Tours" Online posting. 2 Feb.
     2007. ILI-L Discussion List. 1 Mar. 2007 <http://lists.ala.org/wws/arc/ili-l/
     2007-02/msg00019.html>.

Personal communication:

Widzinski, Lori . "RE: Bald Eagle Sighting." E-mail to Renee Bush. 1 Mar. 2007.

Electronic discussion list:

[According to the Chicago Style manual, an email message posted to an electronic discussion list should not be cited in the reference list. Instead, it should be cited within the text as a personal communication (section 17.236, p. 714).]

Personal communication:

[According to the Chicago Style manual, a personal email message should not be cited in the reference list. Instead, it should be cited within the text as a personal communication (section 17.208, p. 706-707).]

Electronic discussion list:

[No example provided in current edition.]

Personal communication:

Widzinski L . RE: Bald Eagle Sighting [electronic mail on the Internet]. Message to: Renee Bush. 2007 Mar 1 [cited 2007 Aug 8].

Humpback Whale. (2007). In Encyclopædia Britannica. Retrieved July  25, 2007,
     from Encyclopædia Britannica Online: http://www.search.eb.com/eb/article-
     9041510

String theory. (n.d.). Retrieved July 25, 2007, from Wikipedia, The Free Encyclopedia:
      http://en.wikipedia.org/w/index.php?title=String_theory&oldid=147042423

"Humpback Whale." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online.
     25 July  2007  <http://www.search.eb.com/eb/article-9041510>.

"String theory." Wikipedia, The Free Encyclopedia. 25 Jul 2007, 18:22 UTC.
     Wikimedia Foundation, Inc. 25 Jul 2007 <http://en.wikipedia.org/w/index.php?title
     =String_theory&oldid=147042423>.

"Humpback whale,"Encyclopædia Britannica,http://www.search.eb.com/eb/article-
   9041510 (accessed July 25, 2007).

Wikipedia contributors, "String theory," Wikipedia, The Free Encyclopedia,
   http://en.wikipedia.org/w/index.php?title=String_theory&oldid=147042423 (accessed July
   25, 2007).

[No example provided in current edition.]

Thoroughly Modern Meiko: The Aventures of Muriel Orr-Ewing. Retrieved
     February 22, 2007, from University at Buffalo Libraries, University Archives
     Web site: http://library.buffalo.edu/libraries/units/archives/exhibits/meiko/

Thoroughly Modern Meiko: The Aventures of Muriel Orr-Ewing. University      Archives, U. Buffalo Lib. 22 Feb. 2007
     <http://library.buffalo.edu/libraries/units/archives/exhibits/meiko/>.

[No example provided in current edition.]