APA (7th ed.) Citation

Gershwin, G. (1937). Rhapsody in blue for piano solo. Chappell.

Chicago Style (17th ed.) Citation

Gershwin, George. Rhapsody in Blue for Piano Solo. London: Chappell, 1937.

MLA (9th ed.) Citation

Gershwin, George. Rhapsody in Blue for Piano Solo. Chappell, 1937.