Cita APA (7th ed.)

Warwick, E. J., & Legates, J. E. (1979). Breeding and improvement of farm animals (7a. ed.). Tata McGraw Hill.

Cita Chicago (17th ed.)

Warwick, Everett James, i James Edward Legates. Breeding and Improvement of Farm Animals. 7a. ed. Nueva Delhi: Tata McGraw Hill, 1979.

Cita MLA (9th ed.)

Warwick, Everett James, i James Edward Legates. Breeding and Improvement of Farm Animals. 7a. ed. Tata McGraw Hill, 1979.