APA (7th ed.) Citation

Koehring, V., & Prytherch, H. F. (1932). New methods of opening oysters and improving their condition for market. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Koehring, Vera, and Herbert F. Prytherch. New Methods of Opening Oysters and Improving Their Condition for Market. [Washington?]: U.S. Government Printing Office, 1932.

MLA (9th ed.) Citation

Koehring, Vera, and Herbert F. Prytherch. New Methods of Opening Oysters and Improving Their Condition for Market. U.S. Government Printing Office, 1932.