APA (7th ed.) Citation

Ditmars, R. L. (1931). Snakes of the world. The Macmillan Company.

Chicago Style (17th ed.) Citation

Ditmars, Raymond Lee. Snakes of the World. New York: The Macmillan Company, 1931.

MLA (9th ed.) Citation

Ditmars, Raymond Lee. Snakes of the World. The Macmillan Company, 1931.

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