Cita APA (7a ed.)

VanDeWalle, T., & Collins, S. L. (2011). Turtles in Your Pocket: A Guide to Freshwater and Terrestrial Turtles of the Upper Midwest. University of Iowa Press.

Cita Chicago Style (17a ed.)

VanDeWalle, Terry, y Suzanne L. Collins. Turtles in Your Pocket: A Guide to Freshwater and Terrestrial Turtles of the Upper Midwest. [Iowa City, Iowa]: University of Iowa Press, 2011.

Cita MLA (8a ed.)

VanDeWalle, Terry, y Suzanne L. Collins. Turtles in Your Pocket: A Guide to Freshwater and Terrestrial Turtles of the Upper Midwest. University of Iowa Press, 2011.