APA (7th ed.) Citation

Hamilton, D. (1987). The metropolitan opera encyclopedia: A comprehensive guide to the world of opera. Simon and Schuster.

Chicago Style (17th ed.) Citation

Hamilton, David. The Metropolitan Opera Encyclopedia: A Comprehensive Guide to the World of Opera. New York, New York: Simon and Schuster, 1987.

MLA (9th ed.) Citation

Hamilton, David. The Metropolitan Opera Encyclopedia: A Comprehensive Guide to the World of Opera. Simon and Schuster, 1987.