APA (7th ed.) Citation

Mozart, W. A., Beethoven, L. v., Kempff, W., & Leitner, F. (1999). Wilhelm Kempff. Polygram.

Chicago Style (17th ed.) Citation

Mozart, Wolfgang Amadeus, Ludwig van Beethoven, Wilhelm Kempff, and Ferdinand Leitner. Wilhelm Kempff. [Hamburg]: Polygram, 1999.

MLA (9th ed.) Citation

Mozart, Wolfgang Amadeus, et al. Wilhelm Kempff. Polygram, 1999.