APA (7th ed.) Citation

Warrack, J. H., & West, E. (1992). The Oxford dictionary of opera. Oxford University Press.

Chicago Style (17th ed.) Citation

Warrack, John Hamilton, and Ewan West. The Oxford Dictionary of Opera. Oxford, New York: Oxford University Press, 1992.

MLA (9th ed.) Citation

Warrack, John Hamilton, and Ewan West. The Oxford Dictionary of Opera. Oxford University Press, 1992.