APA-referens

Vitt, L. J., & Caldwell, J. P. (2009). Herpetology: An introductory biology of amphibians and reptiles (3rd ed.). Academic press.

Chicago-stil citat

Vitt, Laurie. J., och Janalee P. Caldwell. Herpetology: An Introductory Biology of Amphibians and Reptiles. 3rd ed. London: Academic press, 2009.

MLA-referens

Vitt, Laurie. J., och Janalee P. Caldwell. Herpetology: An Introductory Biology of Amphibians and Reptiles. 3rd ed. Academic press, 2009.