Cita APA

Wege, D. C., & Long, A. J. (1995). Key areas for threatened birds in the neotropics. Washington, D.C.: BirdLife international.

Citación estilo Chicago

Wege, David C., y Adrian J. Long. Key Areas for Threatened Birds in the Neotropics. Washington, D.C.: BirdLife international, 1995.

Cita MLA

Wege, David C., y Adrian J. Long. Key Areas for Threatened Birds in the Neotropics. Washington, D.C.: BirdLife international, 1995.