Cita APA (7th ed.)

Wagner, R., & Bohm, K. Das Rheingold. s.n.

Cita Chicago (17th ed.)

Wagner, Richard, i Karl Bohm. Das Rheingold. [S.l: s.n.

Cita MLA (9th ed.)

Wagner, Richard, i Karl Bohm. Das Rheingold. s.n.