APA (6th ed.):
ProCon.org. (2015, January 14). Should the United States Authorize the Keystone XL Pipeline to Import Tar Sand Oil from Canada? Retrieved from https://www.procon.org/should-the-united-states-authorize-the-keystone-xl-pipeline-to-import-tar-sand-oil-from-canada/
[Editor's Note: The APA citation style requires double spacing within entries.]
Chicago (17th ed.):
ProCon.org, "Should the United States Authorize the Keystone XL Pipeline to Import Tar Sand Oil from Canada?," ProCon.org. last modified January 14, 2015. https://www.procon.org/should-the-united-states-authorize-the-keystone-xl-pipeline-to-import-tar-sand-oil-from-canada/.
MLA (8th ed.):
ProCon.org, "Should the United States Authorize the Keystone XL Pipeline to Import Tar Sand Oil from Canada?" ProCon.org. 14 Jan. 2015, www.procon.org/should-the-united-states-authorize-the-keystone-xl-pipeline-to-import-tar-sand-oil-from-canada/
[Editor’s Note: The MLA citation style requires double spacing within entries.]
Turabian (8th ed.):
ProCon.org. "Should the United States Authorize the Keystone XL Pipeline to Import Tar Sand Oil from Canada?" ProCon.org. Last modified on January 14, 2015. Accessed January 15, 2021. https://www.procon.org/should-the-united-states-authorize-the-keystone-xl-pipeline-to-import-tar-sand-oil-from-canada/