APA (7th ed.) Citation

Sowerby, L. (1956). Prelude on "Charterhouse" for organ. H. W. Gray.

Chicago Style (17th ed.) Citation

Sowerby, Leo. Prelude on "Charterhouse" for Organ. New York: H. W. Gray, 1956.

MLA (9th ed.) Citation

Sowerby, Leo. Prelude on "Charterhouse" for Organ. H. W. Gray, 1956.