APA (7th ed.) Citation

Helm, T. (1965). A world of snakes. Dodd,Mead.

Chicago Style (17th ed.) Citation

Helm, Thomas. A World of Snakes. New York: Dodd,Mead, 1965.

MLA (9th ed.) Citation

Helm, Thomas. A World of Snakes. Dodd,Mead, 1965.

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