Cita APA (7a ed.)

Schaller, G. B. (1972). Serengeti a kingdom of predators. Knopp.

Cita Chicago Style (17a ed.)

Schaller, George B. Serengeti a Kingdom of Predators. New York - EEUU: Knopp, 1972.

Cita MLA (8a ed.)

Schaller, George B. Serengeti a Kingdom of Predators. Knopp, 1972.