APA (7th ed.) Citation

United States. Bureau of the Census, Pettet, Z. R., & Hall, C. E. (1935). Negroes in the United States, 1920-32. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census, Zellmer R. Pettet, and Charles Edward Hall. Negroes in the United States, 1920-32. Washington: U.S. Govt. Print. Off, 1935.

MLA (9th ed.) Citation

United States. Bureau of the Census, et al. Negroes in the United States, 1920-32. U.S. Govt. Print. Off, 1935.