APA (7th ed.) Citation

Copland, A., Schuman, W., Barber, S., & Bernstein, L. (1983). Appalachian spring: (Ballet for Martha). Polydor Internat.

Chicago Style (17th ed.) Citation

Copland, Aaron, William Schuman, Samuel Barber, and Leonard Bernstein. Appalachian Spring: (Ballet for Martha). Hamburg: Polydor Internat, 1983.

MLA (9th ed.) Citation

Copland, Aaron, et al. Appalachian Spring: (Ballet for Martha). Polydor Internat, 1983.