APA (7th ed.) Citation

Wagner, R., & Rommel, F. (1914). Richard Wagners Musikdramen. Mode.

Chicago Style (17th ed.) Citation

Wagner, Richard, and Friedrich Rommel. Richard Wagners Musikdramen. Berlin: Mode, 1914.

MLA (9th ed.) Citation

Wagner, Richard, and Friedrich Rommel. Richard Wagners Musikdramen. Mode, 1914.

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