APA (7th ed.) Citation

Beethoven, L. v., & Serkin, R. Diabelli-Variationen op. 120.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, and Rudolf Serkin. Diabelli-Variationen Op. 120.

MLA (9th ed.) Citation

Beethoven, Ludwig van, and Rudolf Serkin. Diabelli-Variationen Op. 120.

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