APA (7th ed.) Citation

Boieldieu, F. A., Wagner, R., & Galling, M. Concerto for piano.

Chicago Style (17th ed.) Citation

Boieldieu, François Adrien, Robert Wagner, and Martin Galling. Concerto for Piano.

MLA (9th ed.) Citation

Boieldieu, François Adrien, et al. Concerto for Piano.