Citace podle APA (7th ed.)
Van de Walle, T., & Collins, S. L. (2010). Snakes and lizards in your pocket: A guide to reptiles of the upper Midwest. University of Iowa Press.
Citace podle Chicago (17th ed.)
Van de Walle, Terry, a 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.
Citace podle MLA (9th ed.)
Van de Walle, Terry, a Suzanne L. Collins. Snakes and Lizards in Your Pocket: A Guide to Reptiles of the Upper Midwest. University of Iowa Press, 2010.
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