APA (7th ed.) Citation

McGinnis, S. M., & Stebbins, R. C. (2018). Peterson field guide to western reptiles and amphibians (Fourth edition.). Houghton Mifflin Harcourt Company.

Chicago Style (17th ed.) Citation

McGinnis, Samuel M., and Robert C. Stebbins. Peterson Field Guide to Western Reptiles and Amphibians. Fourth edition. Boston: Houghton Mifflin Harcourt Company, 2018.

MLA (8th ed.) Citation

McGinnis, Samuel M., and Robert C. Stebbins. Peterson Field Guide to Western Reptiles and Amphibians. Fourth edition. Houghton Mifflin Harcourt Company, 2018.

Warning: These citations may not always be 100% accurate.