APA (7th ed.) Citation

Wyss, B. (1990). Ragnarök of Illusion: Richard Wagner's Mystical Abyss at Bayreuth. October.

Chicago Style (17th ed.) Citation

Wyss, Beat. "Ragnarök of Illusion: Richard Wagner's Mystical Abyss at Bayreuth." October 1990.

MLA (8th ed.) Citation

Wyss, Beat. "Ragnarök of Illusion: Richard Wagner's Mystical Abyss at Bayreuth." October, 1990.

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