APA (7th ed.) Citation

Bizet, G., Meilhac, H., Halévy, L., Martin, R. B. K., & Martin, T. P. (1959). Carmen: Opera in four acts. G. Schirmer.

Chicago Style (17th ed.) Citation

Bizet, Georges, Henri Meilhac, Ludovic Halévy, Ruth Berenice Kelley Martin, and Thomas Philipp Martin. Carmen: Opera in Four Acts. New York: G. Schirmer, 1959.

MLA (9th ed.) Citation

Bizet, Georges, et al. Carmen: Opera in Four Acts. G. Schirmer, 1959.