APA (7th ed.) Citation

Verdi, G., & Somma, A. (1957). Un Ballo in Maschuera: Opera in three acts. Schrimer.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, and Antonio Somma. Un Ballo in Maschuera: Opera in Three Acts. New York: Schrimer, 1957.

MLA (9th ed.) Citation

Verdi, Giuseppe, and Antonio Somma. Un Ballo in Maschuera: Opera in Three Acts. Schrimer, 1957.

Warning: These citations may not always be 100% accurate.