APA (7th ed.) Citation

Wagner, R., & Schmidt, W. (2011). Wagner: Tristan und Isolde. Auricula.

Chicago Style (17th ed.) Citation

Wagner, Richard, and Wolfgang Schmidt. Wagner: Tristan Und Isolde. Berlin: Auricula, 2011.

MLA (9th ed.) Citation

Wagner, Richard, and Wolfgang Schmidt. Wagner: Tristan Und Isolde. Auricula, 2011.

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