APA (6th ed.):
ProCon.org. (2015, June 23). International Civilian Gun Ownership Rates. Retrieved from https://www.procon.org/international-civilian-gun-ownership-rates/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "International Civilian Gun Ownership Rates," ProCon.org. last modified June 23, 2015. https://www.procon.org/international-civilian-gun-ownership-rates/.
MLA (8th ed.):
ProCon.org, "International Civilian Gun Ownership Rates." ProCon.org. 23 June 2015, www.procon.org/international-civilian-gun-ownership-rates/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "International Civilian Gun Ownership Rates." ProCon.org. Last modified on June 23, 2015. Accessed January 15, 2021. https://www.procon.org/international-civilian-gun-ownership-rates/