APA (7th ed.) Citation

Mallow, D., Ludwig, D., & Nilson, G. (2003). True vipers: Natural history and toxinology of old world vipers (Original ed.). Krieger Pub. Co..

Chicago Style (17th ed.) Citation

Mallow, David, David Ludwig, and G. Nilson. True Vipers: Natural History and Toxinology of Old World Vipers. Original ed. Malabar, Fla.: Krieger Pub. Co., 2003.

MLA (8th ed.) Citation

Mallow, David, et al. True Vipers: Natural History and Toxinology of Old World Vipers. Original ed. Krieger Pub. Co., 2003.