APA (7th ed.) Citation

United States. Bureau of the Census. (1930). Fifteenth Census of U.S., 1930: Unemployment. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Fifteenth Census of U.S., 1930: Unemployment. [Washington?]: U.S. Government Printing Office, 1930.

MLA (9th ed.) Citation

United States. Bureau of the Census. Fifteenth Census of U.S., 1930: Unemployment. U.S. Government Printing Office, 1930.

Warning: These citations may not always be 100% accurate.