APA (7th ed.) Citation

Sheridan, R. B. (2004). The Duenna: A Comic Opera. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sheridan, Richard Brinsley. The Duenna: A Comic Opera. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Sheridan, Richard Brinsley. The Duenna: A Comic Opera. Project Gutenberg, 2004.

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