APA (7th ed.) Citation

Audubon, J. J. (1951). Audubon's animals: The quadrupeds of North America = Animals. Studio Publ.

Chicago Style (17th ed.) Citation

Audubon, John James. Audubon's Animals: The Quadrupeds of North America = Animals. New York: Studio Publ, 1951.

MLA (9th ed.) Citation

Audubon, John James. Audubon's Animals: The Quadrupeds of North America = Animals. Studio Publ, 1951.