APA (7th ed.) Citation

Beethoven, L. v., Bach, J. S., & Backhaus, W. Sonate in Es-Dur, op. 81a: (Les adieux). Electrola.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Johann Sebastian Bach, and Wilhelm Backhaus. Sonate in Es-Dur, Op. 81a: (Les Adieux). Berlin: Electrola.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Sonate in Es-Dur, Op. 81a: (Les Adieux). Electrola.