APA (7th ed.) Citation

Willard, J. W. (1928). Wholesale grocer's problems: Costs, customers, and commodities. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Willard, J. W. Wholesale Grocer's Problems: Costs, Customers, and Commodities. [Washington?]: U.S. Government Printing Office, 1928.

MLA (9th ed.) Citation

Willard, J. W. Wholesale Grocer's Problems: Costs, Customers, and Commodities. U.S. Government Printing Office, 1928.