APA (7th ed.) Citation

Degas, E., & Halévy, D. (1964). My friend Degas. Wesleyan University Press.

Chicago Style (17th ed.) Citation

Degas, Edgar, and Daniel Halévy. My Friend Degas. Middletown, Conn.: Wesleyan University Press, 1964.

MLA (9th ed.) Citation

Degas, Edgar, and Daniel Halévy. My Friend Degas. Wesleyan University Press, 1964.