APA (7th ed.) Citation

Smith, W. W., & Craig, R. (1944). Pork production (revised edition, eighth printing.). Macmillan.

Chicago Style (17th ed.) Citation

Smith, William W., and R.A Craig. Pork Production. revised edition, eighth printing. New York: Macmillan, 1944.

MLA (9th ed.) Citation

Smith, William W., and R.A Craig. Pork Production. revised edition, eighth printing. Macmillan, 1944.