APA (7th ed.) Citation

Britten, B., Forster, E. M., Crozier, E., Stein, E., & Melville, H. (1961). Billy Budd: An opera in 2 acts, op. 50 (Rev. version, 1961.). Boosey & Hawkes.

Chicago Style (17th ed.) Citation

Britten, Benjamin, E. M. Forster, Eric Crozier, Erwin Stein, and Herman Melville. Billy Budd: An Opera in 2 Acts, Op. 50. Rev. version, 1961. London ; New York: Boosey & Hawkes, 1961.

MLA (9th ed.) Citation

Britten, Benjamin, et al. Billy Budd: An Opera in 2 Acts, Op. 50. Rev. version, 1961. Boosey & Hawkes, 1961.