APA (7th ed.) Citation

Wagner, R. (1904). Das Rheingold.: The Rhinegold; a music-drama in four scenes. Prelude to the trilogy Der Ring des Nibelungen. Rullman.

Chicago Style (17th ed.) Citation

Wagner, Richard. Das Rheingold.: The Rhinegold; a Music-drama in Four Scenes. Prelude to the Trilogy Der Ring Des Nibelungen. New York: Rullman, 1904.

MLA (9th ed.) Citation

Wagner, Richard. Das Rheingold.: The Rhinegold; a Music-drama in Four Scenes. Prelude to the Trilogy Der Ring Des Nibelungen. Rullman, 1904.