APA (7th ed.) Citation

Rubicam, H. C. (1941). Two-spot: Wolf dog of the Circle Y. A.A. Knopf.

Chicago Style (17th ed.) Citation

Rubicam, Harry Cogswell. Two-spot: Wolf Dog of the Circle Y. New York: A.A. Knopf, 1941.

MLA (9th ed.) Citation

Rubicam, Harry Cogswell. Two-spot: Wolf Dog of the Circle Y. A.A. Knopf, 1941.