APA (7th ed.) Citation

Ditmars, R. L. (1931). Strange animals I have known. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Ditmars, Raymond Lee. Strange Animals I Have Known. New York: Harcourt, Brace, 1931.

MLA (8th ed.) Citation

Ditmars, Raymond Lee. Strange Animals I Have Known. Harcourt, Brace, 1931.