APA (7th ed.) Citation

Krentzlin, R. (1933). Opern und Operetten. Schott.

Chicago Style (17th ed.) Citation

Krentzlin, Richard. Opern Und Operetten. Mainz: Schott, 1933.

MLA (8th ed.) Citation

Krentzlin, Richard. Opern Und Operetten. Schott, 1933.

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