APA (7th ed.) Citation

(1997). Richard Wagner: Der Ring des Nibelungen: A companion volume (1. publ.). Phaidon Press.

Chicago Style (17th ed.) Citation

Richard Wagner: Der Ring Des Nibelungen: A Companion Volume. 1. publ. London: Phaidon Press, 1997.

MLA (9th ed.) Citation

Richard Wagner: Der Ring Des Nibelungen: A Companion Volume. 1. publ. Phaidon Press, 1997.

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