Cita APA (7th ed.)

Wagner, R., Barenboim, D., Levine, J., Sinopoli Giuseppe, & von Karajan, H. (1994). Mad about Wagner: The greatest stars, the greatest music. Deutsche Grammophon GmbH.

Cita Chicago (17th ed.)

Wagner, Richard, Daniel Barenboim, James Levine, Sinopoli Giuseppe, i Herbert von Karajan. Mad About Wagner: The Greatest Stars, the Greatest Music. Hamburg: Deutsche Grammophon GmbH, 1994.

Cita MLA (9th ed.)

Wagner, Richard, et al. Mad About Wagner: The Greatest Stars, the Greatest Music. Deutsche Grammophon GmbH, 1994.