APA (7th ed.) Citation

Chopin, F., Rosenthal, M., & Liszt, F. My joys.

Chicago Style (17th ed.) Citation

Chopin, Frédéric, Moriz Rosenthal, and Franz Liszt. My Joys.

MLA (9th ed.) Citation

Chopin, Frédéric, et al. My Joys.