APA (7th ed.) Citation

Kobbé, G., & Harewood, G. H. H. L. (1976). Kobbe's complete opera book (9th ed.). Putnam.

Chicago Style (17th ed.) Citation

Kobbé, Gustav, and George Henry Hubert Lascelles Harewood. Kobbe's Complete Opera Book. 9th ed. London: Putnam, 1976.

MLA (9th ed.) Citation

Kobbé, Gustav, and George Henry Hubert Lascelles Harewood. Kobbe's Complete Opera Book. 9th ed. Putnam, 1976.