APA (7th ed.) Citation

Ensminger, M. E. (1961). Swine science (3d. ed.). The Interstate.

Chicago Style (17th ed.) Citation

Ensminger, M. Eugene. Swine Science. 3d. ed. Danville, Ill.: The Interstate, 1961.

MLA (9th ed.) Citation

Ensminger, M. Eugene. Swine Science. 3d. ed. The Interstate, 1961.