Cita APA (7a ed.)

O'Keeffe, J. The castle of Andalusia: A comic opera in three acts.

Cita Chicago Style (17a ed.)

O'Keeffe, John. The Castle of Andalusia: A Comic Opera in Three Acts.

Cita MLA (8a ed.)

O'Keeffe, John. The Castle of Andalusia: A Comic Opera in Three Acts.