APA (7th ed.) Citation

Bach, C. P. E., Bach, J. S., & Schellenberger, H. (1998). Sonaten. Campanella Musica.

Chicago Style (17th ed.) Citation

Bach, Carl Philipp Emanuel, Johann Sebastian Bach, and Hansjörg Schellenberger. Sonaten. Berlin: Campanella Musica, 1998.

MLA (9th ed.) Citation

Bach, Carl Philipp Emanuel, et al. Sonaten. Campanella Musica, 1998.