APA (7th ed.) Citation

Verdi, G., Price, L., Grist, R., Verrett, S., Bergonzi, C., Merrill, R., . . . Somma, A. (1967). Un ballo in maschera: [opera in 3 acts]. RCA Victor.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, Leontyne Price, Reri Grist, Shirley Verrett, Carlo Bergonzi, Robert Merrill, Ezio Flagello, Erich Leinsdorf, and Antonio Somma. Un Ballo in Maschera: [opera in 3 Acts]. [United States]: RCA Victor, 1967.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. Un Ballo in Maschera: [opera in 3 Acts]. RCA Victor, 1967.