APA (7th ed.) Citation

Franck, C., Boettcher, M., & Trede-Boettcher, U. Sonate A-Dur.

Chicago Style (17th ed.) Citation

Franck, César, Marianne Boettcher, and Ursula Trede-Boettcher. Sonate A-Dur.

MLA (9th ed.) Citation

Franck, César, et al. Sonate A-Dur.

Warning: These citations may not always be 100% accurate.