APA (6th ed.):
ProCon.org. (2007, January 30). Search Engine. Retrieved from https://www.procon.org/search-engine/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Search Engine," ProCon.org. last modified January 30, 2007. https://www.procon.org/search-engine/.
MLA (8th ed.):
ProCon.org, "Search Engine." ProCon.org. 30 Jan. 2007, www.procon.org/search-engine/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Search Engine." ProCon.org. Last modified on January 30, 2007. Accessed January 21, 2021. https://www.procon.org/search-engine/