APA (7th ed.) Citation

Beethoven, L. v., Grumiaux, A., Janzer, G., & Czako, E. (1997). The Complete String Trios. Philips.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Arthur Grumiaux, Georges Janzer, and Eva Czako. The Complete String Trios. [Hamburg]: Philips, 1997.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. The Complete String Trios. Philips, 1997.