APA (7th ed.) Citation

Beethoven, L. v., Schumann, R., & Pogorelich, I. (1982). Klaviersonate op. 111: = Piano sonata op. 111. [Polygram].

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Robert Schumann, and Ivo Pogorelich. Klaviersonate Op. 111: = Piano Sonata Op. 111. Hamburg: [Polygram], 1982.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Klaviersonate Op. 111: = Piano Sonata Op. 111. [Polygram], 1982.