APA (7th ed.) Citation

Chapin, J. P. (1939). The Birds of the Belgian Congo: By James P. Chapin. The American Museum of Natural History.

Chicago Style (17th ed.) Citation

Chapin, James P. The Birds of the Belgian Congo: By James P. Chapin. New York: The American Museum of Natural History, 1939.

MLA (9th ed.) Citation

Chapin, James P. The Birds of the Belgian Congo: By James P. Chapin. The American Museum of Natural History, 1939.