APA (7th ed.) Citation

Gide, A., Valéry, P., & Mallet, R. (1966). Self-portraits, the Gide/Valery letters: 1890-1942. University of Chicago Press.

Chicago Style (17th ed.) Citation

Gide, André, Paul Valéry, and Robert Mallet. Self-portraits, the Gide/Valery Letters: 1890-1942. Chicago: University of Chicago Press, 1966.

MLA (9th ed.) Citation

Gide, André, et al. Self-portraits, the Gide/Valery Letters: 1890-1942. University of Chicago Press, 1966.