Cita APA

Legates, J. E., & Warwick, E. J. 1. (1990). Breeding and improvement of farm animals (8. edition --.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Legates, James Edward, y Everett James 1917- Warwick. Breeding and Improvement of Farm Animals. 8. edition --. New York, New York: McGraw-Hill, 1990.

Cita MLA

Legates, James Edward, y Everett James 1917- Warwick. Breeding and Improvement of Farm Animals. 8. edition --. New York, New York: McGraw-Hill, 1990.