APA (7th ed.) Citation

Horrocks, R. D., & Vallentine, J. F. (1999). Harvested forages. Academic Press.

Chicago Style (17th ed.) Citation

Horrocks, R. Dwain, and John F. Vallentine. Harvested Forages. San Diego, Calif.: Academic Press, 1999.

MLA (8th ed.) Citation

Horrocks, R. Dwain, and John F. Vallentine. Harvested Forages. Academic Press, 1999.