APA (7th ed.) Citation

Leighton, K. (1966). Seven variations for string quartet, opus 43. Novello & Company.

Chicago Style (17th ed.) Citation

Leighton, Kenneth. Seven Variations for String Quartet, Opus 43. [London, England]: Novello & Company, 1966.

MLA (9th ed.) Citation

Leighton, Kenneth. Seven Variations for String Quartet, Opus 43. Novello & Company, 1966.

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