APA (7th ed.) Citation

United States. Bureau of the Census. Population Division & Forstall, R. L. (1996). Population of states and counties of the United States: 1790 to 1990: From the twenty-one decennial censuses. U.S. Dept. of Commerce, Bureau of the Census, Population Division.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Population Division and Richard L. Forstall. Population of States and Counties of the United States: 1790 to 1990: From the Twenty-one Decennial Censuses. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census, Population Division, 1996.

MLA (9th ed.) Citation

United States. Bureau of the Census. Population Division and Richard L. Forstall. Population of States and Counties of the United States: 1790 to 1990: From the Twenty-one Decennial Censuses. U.S. Dept. of Commerce, Bureau of the Census, Population Division, 1996.