APA (7th ed.) Citation

Audubon, J. J., & Griscom, L. (1950). Audubon's Birds of America (Popular ed.). Macmillan.

Chicago Style (17th ed.) Citation

Audubon, John James, and Ludlow Griscom. Audubon's Birds of America. Popular ed. New York: Macmillan, 1950.

MLA (8th ed.) Citation

Audubon, John James, and Ludlow Griscom. Audubon's Birds of America. Popular ed. Macmillan, 1950.