APA (7th ed.) Citation

Verdi, G., Piave, F. M., & Dumas, A. (1977). La traviata: An opera in three acts. Broude Bros..

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, Francesco Maria Piave, and Alexandre Dumas. La Traviata: An Opera in Three Acts. New York: Broude Bros., 1977.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. La Traviata: An Opera in Three Acts. Broude Bros., 1977.