Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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