APA

United States, . (2017). Timeline of census history. [Washington, D.C.]: U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Chicago

United States, . 2017. Timeline of census history. [Washington, D.C.]: U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

Harvard

United States, . (2017). Timeline of census history. [Washington, D.C.]: U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau.

MLA

United States, . Timeline of census history. [Washington, D.C.]: U.S. Department of Commerce, Economics and Statistics Administration, U.S. Census Bureau. 2017.