Cita APA (7th ed.)

Kenyon, K. W. (1969). The sea otter in the eastern Pacific Ocean. Bureau of Sport Fisheries and Wildlife.

Cita Chicago (17th ed.)

Kenyon, Karl W. The Sea Otter in the Eastern Pacific Ocean. Washington, D.C: Bureau of Sport Fisheries and Wildlife, 1969.

Cita MLA (9th ed.)

Kenyon, Karl W. The Sea Otter in the Eastern Pacific Ocean. Bureau of Sport Fisheries and Wildlife, 1969.