APA (7th ed.) Citation

Ditmars, R. L. (1946). Reptiles of the world. The Macmillan.

Chicago Style (17th ed.) Citation

Ditmars, Raymond L. Reptiles of the World. New York: The Macmillan, 1946.

MLA (9th ed.) Citation

Ditmars, Raymond L. Reptiles of the World. The Macmillan, 1946.

Warning: These citations may not always be 100% accurate.