APA (7th ed.) Citation

Audubon, J. J. (1950). Audubon's Birds of America. Macmillan.

Chicago Style (17th ed.) Citation

Audubon, John James. Audubon's Birds of America. New York: Macmillan, 1950.

MLA (9th ed.) Citation

Audubon, John James. Audubon's Birds of America. Macmillan, 1950.

Warning: These citations may not always be 100% accurate.