APA (7th ed.) Citation

Williamson, W. F. (1929). Retail grocer's problems. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Williamson, W. F. Retail Grocer's Problems. [Washington?]: U.S. Government Printing Office, 1929.

MLA (9th ed.) Citation

Williamson, W. F. Retail Grocer's Problems. U.S. Government Printing Office, 1929.

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