APA (7th ed.) Citation

Britten, B. (1962). War requiem: Op. 66 (Choral score.). Boosey & Hawkes.

Chicago Style (17th ed.) Citation

Britten, Benjamin. War Requiem: Op. 66. Choral score. S.l: Boosey & Hawkes, 1962.

MLA (9th ed.) Citation

Britten, Benjamin. War Requiem: Op. 66. Choral score. Boosey & Hawkes, 1962.

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