APA (7th ed.) Citation

Cummings, E. E., Dupee, F. W., & Stade, G. (1969). Selected letters of E. E. Cummings ([1st ed.].). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Cummings, E. E., F. W. Dupee, and George Stade. Selected Letters of E. E. Cummings. [1st ed.]. New York: Harcourt, Brace & World, 1969.

MLA (8th ed.) Citation

Cummings, E. E., et al. Selected Letters of E. E. Cummings. [1st ed.]. Harcourt, Brace & World, 1969.