APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Warrack, John, and Ewan West. The Oxford Dictionary of Opera. Oxford u.a: Oxford Univ. Press, 1992.

MLA (9th ed.) Citation

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