APA (7th ed.) Citation

Hoover, K. O. (1948). Makers of opera. H. Bittner.

Chicago Style (17th ed.) Citation

Hoover, Kathleen O'Donnell. Makers of Opera. New York: H. Bittner, 1948.

MLA (9th ed.) Citation

Hoover, Kathleen O'Donnell. Makers of Opera. H. Bittner, 1948.

Warning: These citations may not always be 100% accurate.