APA (7th ed.) Citation

Gibson, W. M., & Arms, G. (1962). Twelve American writers. Macmillan.

Chicago Style (17th ed.) Citation

Gibson, William M., and George Arms. Twelve American Writers. New York: Macmillan, 1962.

MLA (9th ed.) Citation

Gibson, William M., and George Arms. Twelve American Writers. Macmillan, 1962.