Sixteenth census of the United States: 1940: population: families: family wage or salary income in 1939 ; regions and cities of 1,000,000 or more

MLA

United States. Sixteenth census of the United States: 1940: population: families: family wage or salary income in 1939 ; regions and cities of 1,000,000 or more. [Washington, D.C.] : United States Department of Commerce, Bureau of the Census, [1943]

APA

United States. (1943). Sixteenth census of the United States: 1940: population: families: family wage or salary income in 1939 ; regions and cities of 1,000,000 or more. [Washington, D.C.] : United States Department of Commerce, Bureau of the Census.

Chicago

United States. Sixteenth census of the United States: 1940: population: families: family wage or salary income in 1939 ; regions and cities of 1,000,000 or more. [Washington, D.C.] : United States Department of Commerce, Bureau of the Census, [1943]