Franklin

MLA

Gerhard, Roberto, et al. The Duenna =: La Dueña : (1945-1947) : Opera In Three Acts. London: Boosey & Hawkes, 1996.

APA

Gerhard, R., Sheridan, R. Brinsley, Drew, D., & Smirnov, D. (1996). The duenna =: La dueña : (1945-1947) : opera in three acts. London: Boosey & Hawkes.

Chicago

Gerhard, Roberto, Richard Brinsley Sheridan, David Drew, and Dmitriĭ Smirnov. The Duenna =: La Dueña : (1945-1947) : Opera In Three Acts. London: Boosey & Hawkes, 1996.