APA (7th ed.) Citation

Beethoven, L. v., & Backhaus, W. (1950). Beethoven: Piano sonata. London Records.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, and Wilhelm Backhaus. Beethoven: Piano Sonata. London: London Records, 1950.

MLA (9th ed.) Citation

Beethoven, Ludwig van, and Wilhelm Backhaus. Beethoven: Piano Sonata. London Records, 1950.

Warning: These citations may not always be 100% accurate.