APA (7th ed.) Citation

Bach, C. P. E., Bach, J. C., & Warchal, B. (1988). Flute Concertos. Opus.

Chicago Style (17th ed.) Citation

Bach, Carl Philipp Emanuel, Johann Christian Bach, and Bohdan Warchal. Flute Concertos. Bratislava: Opus, 1988.

MLA (9th ed.) Citation

Bach, Carl Philipp Emanuel, et al. Flute Concertos. Opus, 1988.