APA (7th ed.) Citation

Copland, A. (1941). Billy the Kid ballet suite. Boosey and Hawkes.

Chicago Style (17th ed.) Citation

Copland, Aaron. Billy the Kid Ballet Suite. London: Boosey and Hawkes, 1941.

MLA (9th ed.) Citation

Copland, Aaron. Billy the Kid Ballet Suite. Boosey and Hawkes, 1941.