Citazione Stile APA (7a Edizione)

ebrary, Inc, & Estes, J. A. (2006). Whales, whaling, and ocean ecosystems. University of California Press.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, e J. A. Estes. Whales, Whaling, and Ocean Ecosystems. Berkeley, Calif. ; London: University of California Press, 2006.

Citatione MLA (9a ed.)

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