Cita APA (7a ed.)

Ditmars, R. L. (1943). Reptiles of the world. The Macmillan Company.

Cita Chicago Style (17a ed.)

Ditmars, Raymond L. Reptiles of the World. New York: The Macmillan Company, 1943.

Cita MLA (9a ed.)

Ditmars, Raymond L. Reptiles of the World. The Macmillan Company, 1943.