APA (7th ed.) Citation

Bizet, G., Meilhac, H., & Mérimée, P. (1940). Carmen: An opera in four acts. E.F. Kalmus Orchestra Scores.

Chicago Style (17th ed.) Citation

Bizet, Georges, Henri Meilhac, and Prosper Mérimée. Carmen: An Opera in Four Acts. New York: E.F. Kalmus Orchestra Scores, 1940.

MLA (9th ed.) Citation

Bizet, Georges, et al. Carmen: An Opera in Four Acts. E.F. Kalmus Orchestra Scores, 1940.