APA (6th ed.):
ProCon.org. (2014, May 21). Pennsylvania Becomes 19th State to Legalize Gay Marriage. Retrieved from https://prosandcons.org/pennsylvania-becomes-19th-state-to-legalize-gay-marriage/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Pennsylvania Becomes 19th State to Legalize Gay Marriage," ProCon.org. last modified May 21, 2014. https://prosandcons.org/pennsylvania-becomes-19th-state-to-legalize-gay-marriage/.
MLA (8th ed.):
ProCon.org, "Pennsylvania Becomes 19th State to Legalize Gay Marriage." ProCon.org. 21 May 2014, prosandcons.org/pennsylvania-becomes-19th-state-to-legalize-gay-marriage/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Pennsylvania Becomes 19th State to Legalize Gay Marriage." ProCon.org. Last modified on May 21, 2014. Accessed April 19, 2021. https://prosandcons.org/pennsylvania-becomes-19th-state-to-legalize-gay-marriage/