APA (7th ed.) Citation

Vuilleumier, F., & Ewert, D. N. (1978). The distribution of birds in Venezuelan páramos. American Museum of Natural History.

Chicago Style (17th ed.) Citation

Vuilleumier, François, and David N. Ewert. The Distribution of Birds in Venezuelan Páramos. New York: American Museum of Natural History, 1978.

MLA (9th ed.) Citation

Vuilleumier, François, and David N. Ewert. The Distribution of Birds in Venezuelan Páramos. American Museum of Natural History, 1978.