Savage, J. M., & Villa, J. (1986). Introduction to the herpetofauna of Costa Rica = Introducción a la herpetofauna de Costa Rica.
Chicago Style CitationSavage, Jay M., and Jaime Villa. Introduction to the Herpetofauna of Costa Rica = Introducción a La Herpetofauna De Costa Rica. 1986.
MLA CitationSavage, Jay M., and Jaime Villa. Introduction to the Herpetofauna of Costa Rica = Introducción a La Herpetofauna De Costa Rica. 1986.
Warning: These citations may not always be 100% accurate.