Cita APA (7a ed.)

Simon, H. W. (1960). 100 great operas and their stories (A new rev. and abridged ed. of festival of opera.). Doubleday.

Cita Chicago Style (17a ed.)

Simon, Henry William. 100 Great Operas and Their Stories. A new rev. and abridged ed. of festival of opera. Garden City, N. Y: Doubleday, 1960.

Cita MLA (9a ed.)

Simon, Henry William. 100 Great Operas and Their Stories. A new rev. and abridged ed. of festival of opera. Doubleday, 1960.