APA (6th ed.):
ProCon.org. (2012, October 25). 3,218 schools in all 50 states and 50 countries Use ProCon.org. Retrieved from https://www.procon.org/3218-schools-in-all-50-states-and-50-countries-use-procon-org/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "3,218 schools in all 50 states and 50 countries Use ProCon.org," ProCon.org. last modified October 25, 2012. https://www.procon.org/3218-schools-in-all-50-states-and-50-countries-use-procon-org/.
MLA (8th ed.):
ProCon.org, "3,218 schools in all 50 states and 50 countries Use ProCon.org." ProCon.org. 25 Oct. 2012, www.procon.org/3218-schools-in-all-50-states-and-50-countries-use-procon-org/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "3,218 schools in all 50 states and 50 countries Use ProCon.org." ProCon.org. Last modified on October 25, 2012. Accessed April 13, 2021. https://www.procon.org/3218-schools-in-all-50-states-and-50-countries-use-procon-org/