Cita APA (7a ed.)

Angell, T. (1972). Birds of prey on the Pacific Northwest slope. Pacific search.

Cita Chicago Style (17a ed.)

Angell, Tony. Birds of Prey on the Pacific Northwest Slope. Seattle: Pacific search, 1972.

Cita MLA (8a ed.)

Angell, Tony. Birds of Prey on the Pacific Northwest Slope. Pacific search, 1972.

Precaución: Estas citas no son 100% exactas.