Citazione Stile APA (7a Edizione)

V241 W Van Dersal, W. R. (1970). Wildlife for America: The story of wildlife conservation. Henry Z.Walck.

Citazione stile Chigago Style (17a edizione)

V241 W Van Dersal, William R. Wildlife for America: The Story of Wildlife Conservation. New York: Henry Z.Walck, 1970.

Citatione MLA (9a ed.)

V241 W Van Dersal, William R. Wildlife for America: The Story of Wildlife Conservation. Henry Z.Walck, 1970.