APA

United States, . (2001). Race and Hispanic or Latino summary file: census of population and housing. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Chicago

United States, . 2001. Race and Hispanic or Latino summary file: census of population and housing. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Harvard

United States, . (2001). Race and Hispanic or Latino summary file: census of population and housing. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

MLA

United States, . Race and Hispanic or Latino summary file: census of population and housing. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau. 2001.