APA (7th ed.) Citation

Babson, W. A. (1940). Modern wilderness. Doubleday, Doran & co., inc..

Chicago Style (17th ed.) Citation

Babson, William Arthur. Modern Wilderness. New York: Doubleday, Doran & co., inc., 1940.

MLA (9th ed.) Citation

Babson, William Arthur. Modern Wilderness. Doubleday, Doran & co., inc., 1940.