APA (7th ed.) Citation
Barbier, J., Beethoven, L. v., Mozart, W. A., & Haydn, F. J. 40 [i.e. Quarante] mélodies de Beethoven, Mozart and Haydn.
Chicago Style (17th ed.) Citation
Barbier, Jules, Ludwig van Beethoven, Wolfgang Amadeus Mozart, and Franz Joseph Haydn. 40 [i.e. Quarante] Mélodies De Beethoven, Mozart and Haydn.
MLA (9th ed.) Citation
Barbier, Jules, et al. 40 [i.e. Quarante] Mélodies De Beethoven, Mozart and Haydn.
Warning: These citations may not always be 100% accurate.