APA (7th ed.) Citation

Schumann, R., & Horowitz, V. Humoreske: Op. 20.

Chicago Style (17th ed.) Citation

Schumann, Robert, and Vladimir Horowitz. Humoreske: Op. 20.

MLA (9th ed.) Citation

Schumann, Robert, and Vladimir Horowitz. Humoreske: Op. 20.

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