APA (7th ed.) Citation

Simon, H. (1979). Easy identification guide to North American snakes. Dodd, Mead.

Chicago Style (17th ed.) Citation

Simon, Hilda. Easy Identification Guide to North American Snakes. New York: Dodd, Mead, 1979.

MLA (9th ed.) Citation

Simon, Hilda. Easy Identification Guide to North American Snakes. Dodd, Mead, 1979.