APA (6th ed.):
ProCon.org. (2012, February 17). “Did You Know?” Little Known Facts about US Presidents. Retrieved from https://www.procon.org/did-you-know-little-known-facts-about-us-presidents/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "“Did You Know?” Little Known Facts about US Presidents," ProCon.org. last modified February 17, 2012. https://www.procon.org/did-you-know-little-known-facts-about-us-presidents/.
MLA (8th ed.):
ProCon.org, "“Did You Know?” Little Known Facts about US Presidents." ProCon.org. 17 Feb. 2012, www.procon.org/did-you-know-little-known-facts-about-us-presidents/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "“Did You Know?” Little Known Facts about US Presidents." ProCon.org. Last modified on February 17, 2012. Accessed April 20, 2021. https://www.procon.org/did-you-know-little-known-facts-about-us-presidents/