APA (7th ed.) Citation

Donizetti, G., & Bardari, G. (1973). Maria Stuarda. Egret House.

Chicago Style (17th ed.) Citation

Donizetti, Gaetano, and Giuseppe Bardari. Maria Stuarda. London: Egret House, 1973.

MLA (9th ed.) Citation

Donizetti, Gaetano, and Giuseppe Bardari. Maria Stuarda. Egret House, 1973.

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