APA (7th ed.) Citation

Wagner, R. (1947). EL ANILLO DEL NIBELUNGO. Ricordi Americana.

Chicago Style (17th ed.) Citation

Wagner, Richard. EL ANILLO DEL NIBELUNGO. Buenos Aires: Ricordi Americana, 1947.

MLA (9th ed.) Citation

Wagner, Richard. EL ANILLO DEL NIBELUNGO. Ricordi Americana, 1947.

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