APA (7th ed.) Citation

Wagner, R. (1900). Siegfried. B. Schott's Söhne.

Chicago Style (17th ed.) Citation

Wagner, Richard. Siegfried. [Mainz: B. Schott's Söhne, 1900.

MLA (8th ed.) Citation

Wagner, Richard. Siegfried. B. Schott's Söhne, 1900.

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