APA (7th ed.) Citation

Wagner, R., Nilsson, B., Rysanek, L., Burmeister, A., King, J., Adam, T., . . . Böhm, K. (1990). Die Walküre. Philips.

Chicago Style (17th ed.) Citation

Wagner, Richard, Birgit Nilsson, Leonie Rysanek, Annelies Burmeister, James King, Theo Adam, Gerd Nienstedt, and Karl Böhm. Die Walküre. [Holland]: Philips, 1990.

MLA (9th ed.) Citation

Wagner, Richard, et al. Die Walküre. Philips, 1990.