APA (7th ed.) Citation

Albéniz, I., & Law, A. (1911). The magic opal: A comic opera in two acts. J. Williams.

Chicago Style (17th ed.) Citation

Albéniz, Isaac, and Arthur Law. The Magic Opal: A Comic Opera in Two Acts. London: J. Williams, 1911.

MLA (8th ed.) Citation

Albéniz, Isaac, and Arthur Law. The Magic Opal: A Comic Opera in Two Acts. J. Williams, 1911.