APA (6th ed.):
ProCon.org. (2011, October 18). Marijuana and lung cancer. Retrieved from https://medicalmarijuana.procon.org/marijuana-and-lung-cancer/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Marijuana and lung cancer," ProCon.org. last modified October 18, 2011. https://medicalmarijuana.procon.org/marijuana-and-lung-cancer/.
MLA (8th ed.):
ProCon.org, "Marijuana and lung cancer." ProCon.org. 18 Oct. 2011, medicalmarijuana.procon.org/marijuana-and-lung-cancer/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Marijuana and lung cancer." ProCon.org. Last modified on October 18, 2011. Accessed May 15, 2021. https://medicalmarijuana.procon.org/marijuana-and-lung-cancer/