APA (7th ed.) Citation

Krehbiel, H. E. (1916). A book of operas, their histories, their plots and their music. The Macmillan Company.

Chicago Style (17th ed.) Citation

Krehbiel, Henry Edward. A Book of Operas, Their Histories, Their Plots and Their Music. New York: The Macmillan Company, 1916.

MLA (9th ed.) Citation

Krehbiel, Henry Edward. A Book of Operas, Their Histories, Their Plots and Their Music. The Macmillan Company, 1916.