APA (7th ed.) Citation

Copland, A., Rich, A., & Slatkin, L. (2011). What to listen for in music. Signet Classics.

Chicago Style (17th ed.) Citation

Copland, Aaron, Alan Rich, and Leonard Slatkin. What to Listen for in Music. New York, N.Y: Signet Classics, 2011.

MLA (9th ed.) Citation

Copland, Aaron, et al. What to Listen for in Music. Signet Classics, 2011.