APA (7th ed.) Citation

Duellman, W. E., & Trueb, L. (1994). Biology of amphibians (Johns Hopkins paperbacks ed.). Johns Hopkins Univ. Press.

Chicago Style (17th ed.) Citation

Duellman, William E., and Linda Trueb. Biology of Amphibians. Johns Hopkins paperbacks ed. Baltimore u.a: Johns Hopkins Univ. Press, 1994.

MLA (9th ed.) Citation

Duellman, William E., and Linda Trueb. Biology of Amphibians. Johns Hopkins paperbacks ed. Johns Hopkins Univ. Press, 1994.