Schumann, R., Chopin, F., Schubert, F., Horvat, M., & Groote, S. d. (2003). Schumann, Chopin, Schubert. Cascade.
Chicago Style (17th ed.) CitationSchumann, Robert, Frédéric Chopin, Franz Schubert, Milan Horvat, and Steven de Groote. Schumann, Chopin, Schubert. Staufen i. Br: Cascade, 2003.
MLA (9th ed.) CitationSchumann, Robert, et al. Schumann, Chopin, Schubert. Cascade, 2003.
Warning: These citations may not always be 100% accurate.