Cita APA

Duellman, W. E. 1., & Duellman, W. E. 1. (1978). The Biology of an equatorial herpetofauna in Amazonian ecuador ([1. edition].). Lawrence: University of Kansas.

Citación estilo Chicago

Duellman, William Edward 1930-, y William Edward 1930- Duellman. The Biology of an Equatorial Herpetofauna in Amazonian Ecuador. [1. edition]. Lawrence: University of Kansas, 1978.

Cita MLA

Duellman, William Edward 1930-, y William Edward 1930- Duellman. The Biology of an Equatorial Herpetofauna in Amazonian Ecuador. [1. edition]. Lawrence: University of Kansas, 1978.