Tkaczyk, F. (2015). Tracks & sign of reptiles & amphibians: A guide to North American species (First edition.). Stackpole Books.
Cita Chicago Style (17a ed.)Tkaczyk, Filip. Tracks & Sign of Reptiles & Amphibians: A Guide to North American Species. First edition. Mechanicsburg, PA: Stackpole Books, 2015.
Cita MLA (8a ed.)Tkaczyk, Filip. Tracks & Sign of Reptiles & Amphibians: A Guide to North American Species. First edition. Stackpole Books, 2015.
Precaución: Estas citas no son 100% exactas.