APA (7th ed.) Citation

Schumann, R. A., & Dorffel, A. (2001). Complete works for piano four hands, opp.66, 85, 109, 130. Dover.

Chicago Style (17th ed.) Citation

Schumann, Robert Alexander, and Alfred Dorffel. Complete Works for Piano Four Hands, Opp.66, 85, 109, 130. Mineola, N.Y: Dover, 2001.

MLA (9th ed.) Citation

Schumann, Robert Alexander, and Alfred Dorffel. Complete Works for Piano Four Hands, Opp.66, 85, 109, 130. Dover, 2001.