APA (7th ed.) Citation

Gide, A., Copeau, J., & Copeau, J. Correspondance. Gallimard.

Chicago Style (17th ed.) Citation

Gide, André, Jacques Copeau, and Jacques Copeau. Correspondance. [Paris]: Gallimard.

MLA (9th ed.) Citation

Gide, André, et al. Correspondance. Gallimard.