APA (7th ed.) Citation

Beethoven, L. v., Schenker, H., & Schachter, C. (1975). Complete piano sonatas. Dover.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Heinrich Schenker, and Carl Schachter. Complete Piano Sonatas. New York: Dover, 1975.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Complete Piano Sonatas. Dover, 1975.