APA (6th ed.):
ProCon.org. (2014, April 8). Drug Ads Gallery, 1940-1949. Retrieved from https://prescriptiondrugs.procon.org/background-resources/drug-ads-gallery-1940-1949/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Drug Ads Gallery, 1940-1949," ProCon.org. last modified April 8, 2014. https://prescriptiondrugs.procon.org/background-resources/drug-ads-gallery-1940-1949/.
MLA (8th ed.):
ProCon.org, "Drug Ads Gallery, 1940-1949." ProCon.org. 8 Apr. 2014, prescriptiondrugs.procon.org/background-resources/drug-ads-gallery-1940-1949/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Drug Ads Gallery, 1940-1949." ProCon.org. Last modified on April 8, 2014. Accessed January 21, 2021. https://prescriptiondrugs.procon.org/background-resources/drug-ads-gallery-1940-1949/