Cita APA (7a ed.)

Phillips, C. A., Kuhns, A. R., & Crawford, J. A. (2022). Field Guide to Amphibians and Reptiles of Illinois (Second edition.). University of Illinois Press.

Cita Chicago Style (17a ed.)

Phillips, Christopher A., Andrew R. Kuhns, y John A. Crawford. Field Guide to Amphibians and Reptiles of Illinois. Second edition. Springfield: University of Illinois Press, 2022.

Cita MLA (8a ed.)

Phillips, Christopher A., et al. Field Guide to Amphibians and Reptiles of Illinois. Second edition. University of Illinois Press, 2022.