APA (7th ed.) Citation

Duellman, W. E. (2004). Frogs of the genus Colostethus (Anura; Dendrobatidae) in the Andes of northern Peru. Natural History Museum, University of Kansas.

Chicago Style (17th ed.) Citation

Duellman, William E. Frogs of the Genus Colostethus (Anura; Dendrobatidae) in the Andes of Northern Peru. Lawrence, Kan.: Natural History Museum, University of Kansas, 2004.

MLA (9th ed.) Citation

Duellman, William E. Frogs of the Genus Colostethus (Anura; Dendrobatidae) in the Andes of Northern Peru. Natural History Museum, University of Kansas, 2004.