APA (7th ed.) Citation

Sullivan, A., Gilbert, W. S., & Bradley, I. C. (1982). The annotated Gilbert and Sullivan. Penguin Books.

Chicago Style (17th ed.) Citation

Sullivan, Arthur, W. S. Gilbert, and Ian C. Bradley. The Annotated Gilbert and Sullivan. Harmondsworth, Middlesex, England ; New York, N.Y., U.S.A.: Penguin Books, 1982.

MLA (9th ed.) Citation

Sullivan, Arthur, et al. The Annotated Gilbert and Sullivan. Penguin Books, 1982.