Cita APA (7a ed.)

Kooyman, G. L., & Gentry, R. L. (1986). Fur Seals: Maternal Strategies on Land and at Sea. Princeton University Press.

Cita Chicago Style (17a ed.)

Kooyman, Gerald L., y Roger L. Gentry. Fur Seals: Maternal Strategies on Land and at Sea. Princeton, New Jersey: Princeton University Press, 1986.

Cita MLA (8a ed.)

Kooyman, Gerald L., y Roger L. Gentry. Fur Seals: Maternal Strategies on Land and at Sea. Princeton University Press, 1986.