Cita APA

Cooper, M. M., & Willis, M. B. (1984). Profitable beef production (4a. ed.). Farming Press.

Citación estilo Chicago

Cooper, M. McGregor, and M. B. Willis. Profitable Beef Production. 4a. ed. Ipswich: Farming Press, 1984.

Cita MLA

Cooper, M. McGregor, and M. B. Willis. Profitable Beef Production. 4a. ed. Farming Press, 1984.