Cita APA (7th ed.)

Jacobs, A., & Sadie, S. (1966). Great operas in synopsis. T. Y. Crowell.

Cita Chicago (17th ed.)

Jacobs, Arthur, i Stanley Sadie. Great Operas in Synopsis. New York: T. Y. Crowell, 1966.

Cita MLA (9th ed.)

Jacobs, Arthur, i Stanley Sadie. Great Operas in Synopsis. T. Y. Crowell, 1966.