APA (7th ed.) Citation

Smith, P. W. (1961). The amphibians and reptiles of Illinois. Illinois Dept. of Registration and Education, Natural History Survey Division.

Chicago Style (17th ed.) Citation

Smith, Philip W. The Amphibians and Reptiles of Illinois. Urbana, Ill: Illinois Dept. of Registration and Education, Natural History Survey Division, 1961.

MLA (9th ed.) Citation

Smith, Philip W. The Amphibians and Reptiles of Illinois. Illinois Dept. of Registration and Education, Natural History Survey Division, 1961.

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