APA (7th ed.) Citation

Stemmle, R. (1995). Richard Wagner, Die Walküre. Stemmle.

Chicago Style (17th ed.) Citation

Stemmle, Rolf. Richard Wagner, Die Walküre. Regensburg: Stemmle, 1995.

MLA (9th ed.) Citation

Stemmle, Rolf. Richard Wagner, Die Walküre. Stemmle, 1995.

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