APA (7th ed.) Citation

Tippett, M. (1970). The Knot garden : an opera in three acts: An opera in three acts. Schott.

Chicago Style (17th ed.) Citation

Tippett, Michael. The Knot Garden : An Opera in Three Acts: An Opera in Three Acts. London: Schott, 1970.

MLA (9th ed.) Citation

Tippett, Michael. The Knot Garden : An Opera in Three Acts: An Opera in Three Acts. Schott, 1970.

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