Cita APA

Gruson, E. S. (1976). Checklist of the word's birds: A complete list of the species, with names authorities and areas of distribution. New York: The New York Times Book.

Citación estilo Chicago

Gruson, Edward S. Checklist of the Word's Birds: A Complete List of the Species, With Names Authorities and Areas of Distribution. New York: The New York Times Book, 1976.

Cita MLA

Gruson, Edward S. Checklist of the Word's Birds: A Complete List of the Species, With Names Authorities and Areas of Distribution. New York: The New York Times Book, 1976.