APA (7th ed.) Citation

Ensminger, M. E. (1969). Animal science (6th ed.). Interstate.

Chicago Style (17th ed.) Citation

Ensminger, M. Eugene. Animal Science. 6th ed. Danville, Ill: Interstate, 1969.

MLA (9th ed.) Citation

Ensminger, M. Eugene. Animal Science. 6th ed. Interstate, 1969.