Citazione Stile APA (7a Edizione)

Osborn, F. (1953). The limits of the earth. Little Brown.

Citazione stile Chigago Style (17a edizione)

Osborn, Fairfield. The Limits of the Earth. Boston: Little Brown, 1953.

Citatione MLA (9a ed.)

Osborn, Fairfield. The Limits of the Earth. Little Brown, 1953.