Cita APA

Duellman, W. E. (1993). Amphibian species of the world. Additions and corrections.

Citación estilo Chicago

Duellman, William E. Amphibian Species of the World. Additions and Corrections. 1993.

Cita MLA

Duellman, William E. Amphibian Species of the World. Additions and Corrections. 1993.