Cita APA (7a ed.)

Barrett, M. A., & Larkin, P. J. (1974). Milk and beef production in the tropics. Oxford University Press.

Cita Chicago Style (17a ed.)

Barrett, M. A., y Patrick John Larkin. Milk and Beef Production in the Tropics. [London]: Oxford University Press, 1974.

Cita MLA (8a ed.)

Barrett, M. A., y Patrick John Larkin. Milk and Beef Production in the Tropics. Oxford University Press, 1974.