Beebe, F. L. (1974). Field studies of the Falconiformes (vultures, eagles, hawks, and falcons) of British Columbia. British Columbia Provincial Museum.
Style de citation Chicago (17e éd.)Beebe, Frank L. Field Studies of the Falconiformes (vultures, Eagles, Hawks, and Falcons) of British Columbia. Victoria, B.C.: British Columbia Provincial Museum, 1974.
Style de citation MLA (8e éd.)Beebe, Frank L. Field Studies of the Falconiformes (vultures, Eagles, Hawks, and Falcons) of British Columbia. British Columbia Provincial Museum, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.