APA (7th ed.) Citation

Debussy, C., Lesure, F., & Nichols, R. (1987). Debussy letters. Harvard University Press.

Chicago Style (17th ed.) Citation

Debussy, Claude, François Lesure, and Roger Nichols. Debussy Letters. Cambridge, Mass.: Harvard University Press, 1987.

MLA (9th ed.) Citation

Debussy, Claude, et al. Debussy Letters. Harvard University Press, 1987.