Die Walküre complete opera
MLA
Wagner, Richard, et al. Die Walküre: Complete Opera. [United States]: Allegro Elite, 1954
APA, 7th edition
Wagner, R., Mödl, M., Resnik, R., Malaniuk, I., Vinay, R., Hotter, H., Greindl, J., & Keilberth, J. (1954). Die Walküre: complete opera. [United States]: Allegro Elite
Chicago, 17th edition
Wagner, Richard, Martha Mödl, Regina Resnik, Ira Malaniuk, Ramon Vinay, Hans Hotter, Josef Greindl, and Joseph Keilberth. Die Walküre: complete opera. [United States]: Allegro Elite, 1954