APA (7th ed.) Citation

Wagner, R., Jameson, F., & Klindworth, K. (1904). The ring of the Nibelung from Die Walkure: (The Valkyrie). G. Schirmer.

Chicago Style (17th ed.) Citation

Wagner, Richard, Frederick Jameson, and Karl Klindworth. The Ring of the Nibelung from Die Walkure: (The Valkyrie). New York: G. Schirmer, 1904.

MLA (9th ed.) Citation

Wagner, Richard, et al. The Ring of the Nibelung from Die Walkure: (The Valkyrie). G. Schirmer, 1904.