Cita APA (7a ed.)

Briggs, H. M., & Briggs, D. M. (1969). Modern breeds of livestock. Macmillan.

Cita Chicago Style (17a ed.)

Briggs, Hilton M., y Dinus M. Briggs. Modern Breeds of Livestock. London: Macmillan, 1969.

Cita MLA (8a ed.)

Briggs, Hilton M., y Dinus M. Briggs. Modern Breeds of Livestock. Macmillan, 1969.