Cita APA (7th ed.)

Gershwin, G. (1927). Preludes for piano. New World Music.

Cita Chicago (17th ed.)

Gershwin, George. Preludes for Piano. New York: New World Music, 1927.

Cita MLA (9th ed.)

Gershwin, George. Preludes for Piano. New World Music, 1927.