Cita APA (7a ed.)

Estes, J. A. (2006). Whales, Whaling, and Ocean Ecosystems. University of California Press.

Cita Chicago Style (17a ed.)

Estes, J. A. Whales, Whaling, and Ocean Ecosystems. Berkeley: University of California Press, 2006.

Cita MLA (8a ed.)

Estes, J. A. Whales, Whaling, and Ocean Ecosystems. University of California Press, 2006.