Cita APA (7a ed.)

VanDeWalle, T., & Collins, S. L. (2010). Snakes and Lizards in Your Pocket: A Guide to Reptiles of the Upper Midwest. University of Iowa Press.

Cita Chicago Style (17a ed.)

VanDeWalle, Terry, y Suzanne L. Collins. Snakes and Lizards in Your Pocket: A Guide to Reptiles of the Upper Midwest. [Iowa City, Iowa]: University of Iowa Press, 2010.

Cita MLA (8a ed.)

VanDeWalle, Terry, y Suzanne L. Collins. Snakes and Lizards in Your Pocket: A Guide to Reptiles of the Upper Midwest. University of Iowa Press, 2010.