APA (6th ed.):
ProCon.org. (2016, June 24). US Gun Deaths 1999-2014. Retrieved from https://www.procon.org/us-gun-deaths-1999-2014/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "US Gun Deaths 1999-2014," ProCon.org. last modified June 24, 2016. https://www.procon.org/us-gun-deaths-1999-2014/.
MLA (8th ed.):
ProCon.org, "US Gun Deaths 1999-2014." ProCon.org. 24 June 2016, www.procon.org/us-gun-deaths-1999-2014/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "US Gun Deaths 1999-2014." ProCon.org. Last modified on June 24, 2016. Accessed January 24, 2021. https://www.procon.org/us-gun-deaths-1999-2014/