APA (7th ed.) Citation

Mozart, W. A., Schubert, F., Escher, C., & Rudy, M. (2003). Mozart, Schubert. Cascade.

Chicago Style (17th ed.) Citation

Mozart, Wolfgang Amadeus, Franz Schubert, Christof Escher, and Michael Rudy. Mozart, Schubert. Staufen i. Br: Cascade, 2003.

MLA (9th ed.) Citation

Mozart, Wolfgang Amadeus, et al. Mozart, Schubert. Cascade, 2003.