APA (7th ed.) Citation

Wagner, R. (1938). The authentic librettos of the Wagner operas: Complete with English and German parallel texts and music of the principal airs. Crown Publishers.

Chicago Style (17th ed.) Citation

Wagner, Richard. The Authentic Librettos of the Wagner Operas: Complete with English and German Parallel Texts and Music of the Principal Airs. New York: Crown Publishers, 1938.

MLA (9th ed.) Citation

Wagner, Richard. The Authentic Librettos of the Wagner Operas: Complete with English and German Parallel Texts and Music of the Principal Airs. Crown Publishers, 1938.

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