APA (7th ed.) Citation

Donizetti, G., & Romani, F. (1970). Anna Bolena: An opera in 2 acts. Belwin Mills.

Chicago Style (17th ed.) Citation

Donizetti, Gaetano, and Felice Romani. Anna Bolena: An Opera in 2 Acts. Melville, N.Y.: Belwin Mills, 1970.

MLA (9th ed.) Citation

Donizetti, Gaetano, and Felice Romani. Anna Bolena: An Opera in 2 Acts. Belwin Mills, 1970.