APA (7th ed.) Citation

Wagner, R., Singer, O., & Waack, C. (1910). Das Rheingold: The Rhinegold. Breitkopf & Härtel.

Chicago Style (17th ed.) Citation

Wagner, Richard, Otto Singer, and Carl Waack. Das Rheingold: The Rhinegold. Leipzig: Breitkopf & Härtel, 1910.

MLA (8th ed.) Citation

Wagner, Richard, et al. Das Rheingold: The Rhinegold. Breitkopf & Härtel, 1910.

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