APA (7th ed.) Citation

Purdon, R. L. (1928). Candy distribution in U.S. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Purdon, Rupert L. Candy Distribution in U.S. [Washington?]: U.S. Government Printing Office, 1928.

MLA (9th ed.) Citation

Purdon, Rupert L. Candy Distribution in U.S. U.S. Government Printing Office, 1928.

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