APA (7th ed.) Citation

(1983). Introduction to Wagner's Der Ring des Nibelungen. UNITEL Film & Television Productions.

Chicago Style (17th ed.) Citation

Introduction to Wagner's Der Ring Des Nibelungen. [Place of publication not identified]: UNITEL Film & Television Productions, 1983.

MLA (9th ed.) Citation

Introduction to Wagner's Der Ring Des Nibelungen. UNITEL Film & Television Productions, 1983.

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