APA (7th ed.) Citation

Irmer, H. (1992). Richard Wagner, "Der Ring des Nibelungen", Graz und Salzburg 1987 - 1990. Müller-Speiser.

Chicago Style (17th ed.) Citation

Irmer, Hans-Jochen. Richard Wagner, "Der Ring Des Nibelungen", Graz Und Salzburg 1987 - 1990. Anif/Salzburg: Müller-Speiser, 1992.

MLA (9th ed.) Citation

Irmer, Hans-Jochen. Richard Wagner, "Der Ring Des Nibelungen", Graz Und Salzburg 1987 - 1990. Müller-Speiser, 1992.

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