APA (7th ed.) Citation

May, C. P., & Crosby, J. A. (1972). A book of insects. St. Martin's Press.

Chicago Style (17th ed.) Citation

May, Charles Paul, and John A. Crosby. A Book of Insects. New York: St. Martin's Press, 1972.

MLA (9th ed.) Citation

May, Charles Paul, and John A. Crosby. A Book of Insects. St. Martin's Press, 1972.