Willard, J. W. (1928). Wholesale grocer's problems: Costs, customers, and commodities. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationWillard, J. W. Wholesale Grocer's Problems: Costs, Customers, and Commodities. [Washington?]: U.S. Government Printing Office, 1928.
MLA (9th ed.) CitationWillard, J. W. Wholesale Grocer's Problems: Costs, Customers, and Commodities. U.S. Government Printing Office, 1928.
Warning: These citations may not always be 100% accurate.