APA (7th ed.) Citation

Ensminger, M. E. (1980). Poultry science (2a. ed.). The Interstate.

Chicago Style (17th ed.) Citation

Ensminger, M. E. Poultry Science. 2a. ed. Danville: The Interstate, 1980.

MLA (9th ed.) Citation

Ensminger, M. E. Poultry Science. 2a. ed. The Interstate, 1980.