APA (7th ed.) Citation

Beethoven, L. v., Schumann, R., & Eichberger, F. F. (1973). Sonate op. 57 f-moll (Appassionata). Studio Scherer.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Robert Schumann, and Franz F. Eichberger. Sonate Op. 57 F-moll (Appassionata). Heidelberg: Studio Scherer, 1973.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Sonate Op. 57 F-moll (Appassionata). Studio Scherer, 1973.