Gaya APA

Goin, C, J., Goin, O, B. (1971). Introduction to Herpetology (Ed. 1). San frasisco: W.H. Freeman and Company.

Gaya MLA

Goin, Coleman, J.., Goin, Olive, B.. "Introduction to Herpetology". Ed. 1 San frasisco: W.H. Freeman and Company, 1971. Text.