APA (7th ed.) Citation

United States. Bureau of the Census, Kiessling, O. E., & Yaworski, N. (1944). Sixteenth census of the United States: 1940. U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

United States. Bureau of the Census, O. E. Kiessling, and Nicholas Yaworski. Sixteenth Census of the United States: 1940. Washington, DC: U.S. Govt. Print. Off., 1944.

MLA (8th ed.) Citation

United States. Bureau of the Census, et al. Sixteenth Census of the United States: 1940. U.S. Govt. Print. Off., 1944.