APA (7th ed.) Citation

(1939). The authentic librettos of the French and German operas.: Complete with English and French or German texts and music of the principal airs. Crown publishers.

Chicago Style (17th ed.) Citation

The Authentic Librettos of the French and German Operas.: Complete with English and French or German Texts and Music of the Principal Airs. New York: Crown publishers, 1939.

MLA (9th ed.) Citation

The Authentic Librettos of the French and German Operas.: Complete with English and French or German Texts and Music of the Principal Airs. Crown publishers, 1939.

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