APA (6th ed.):
ProCon.org. (2013, April 19). Portion Sizes: How Big or Small Should They Be? Retrieved from https://www.procon.org/portion-sizes-how-big-or-small-should-they-be/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Portion Sizes: How Big or Small Should They Be?," ProCon.org. last modified April 19, 2013. https://www.procon.org/portion-sizes-how-big-or-small-should-they-be/.
MLA (8th ed.):
ProCon.org, "Portion Sizes: How Big or Small Should They Be?" ProCon.org. 19 Apr. 2013, www.procon.org/portion-sizes-how-big-or-small-should-they-be/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Portion Sizes: How Big or Small Should They Be?" ProCon.org. Last modified on April 19, 2013. Accessed January 23, 2021. https://www.procon.org/portion-sizes-how-big-or-small-should-they-be/