APA (7th ed.) Citation

Wagner, R. L' anello del Nibelungo: Trilogia. Barion.

Chicago Style (17th ed.) Citation

Wagner, Richard. L' Anello Del Nibelungo: Trilogia. Sesto San Giovanni [u.a.]: Barion.

MLA (9th ed.) Citation

Wagner, Richard. L' Anello Del Nibelungo: Trilogia. Barion.

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