APA (7th ed.) Citation

Levenson, L. (1934). Butterfly man. Castle Books.

Chicago Style (17th ed.) Citation

Levenson, Lew. Butterfly Man. New York: Castle Books, 1934.

MLA (8th ed.) Citation

Levenson, Lew. Butterfly Man. Castle Books, 1934.

Warning: These citations may not always be 100% accurate.