McGinnis, S. M., & Stebbins, R. C. (2018). Peterson field guide to western reptiles and amphibians (Fourth edition.). Houghton Mifflin Harcourt Company.
Cita Chicago Style (17a ed.)McGinnis, Samuel M., y Robert C. Stebbins. Peterson Field Guide to Western Reptiles and Amphibians. Fourth edition. Boston: Houghton Mifflin Harcourt Company, 2018.
Cita MLA (8a ed.)McGinnis, Samuel M., y Robert C. Stebbins. Peterson Field Guide to Western Reptiles and Amphibians. Fourth edition. Houghton Mifflin Harcourt Company, 2018.
Precaución: Estas citas no son 100% exactas.