APA (7th ed.) Citation

United States. Bureau of the Census. Geography Division. (2019). Metropolitan and micropolitan statistical areas of the United States and Puerto Rico, September 2018. U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Geography Division. Metropolitan and Micropolitan Statistical Areas of the United States and Puerto Rico, September 2018. [Washington, D.C.]: U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2019.

MLA (9th ed.) Citation

United States. Bureau of the Census. Geography Division. Metropolitan and Micropolitan Statistical Areas of the United States and Puerto Rico, September 2018. U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau, 2019.