APA (7th ed.) Citation

Sullivan, A., & Gilbert, W. S. (1980). The pirates of Penzance ; or, The slave of duty: Libretto. Chappell.

Chicago Style (17th ed.) Citation

Sullivan, Arthur, and W. S. Gilbert. The Pirates of Penzance ; or, The Slave of Duty: Libretto. [London] England: Chappell, 1980.

MLA (9th ed.) Citation

Sullivan, Arthur, and W. S. Gilbert. The Pirates of Penzance ; or, The Slave of Duty: Libretto. Chappell, 1980.