APA (7th ed.) Citation

Hulse, A. C., McCoy, C. J., & Censky, E. J. (2001). Amphibians and reptiles of Pennsylvania and the Northeast. Comstock Publishing Associates, Cornell University Press.

Chicago Style (17th ed.) Citation

Hulse, Arthur C., C. J. McCoy, and Ellen J. Censky. Amphibians and Reptiles of Pennsylvania and the Northeast. Ithaca, N.Y.: Comstock Publishing Associates, Cornell University Press, 2001.

MLA (9th ed.) Citation

Hulse, Arthur C., et al. Amphibians and Reptiles of Pennsylvania and the Northeast. Comstock Publishing Associates, Cornell University Press, 2001.