APA (7th ed.) Citation

Tippett, M., & Tillett, M. (1989). New year: An opera in three acts. Schott.

Chicago Style (17th ed.) Citation

Tippett, Michael, and Michael Tillett. New Year: An Opera in Three Acts. London ; New York: Schott, 1989.

MLA (8th ed.) Citation

Tippett, Michael, and Michael Tillett. New Year: An Opera in Three Acts. Schott, 1989.

Warning: These citations may not always be 100% accurate.