APA (7th ed.) Citation

Wagner, R., Leider, F., Bäumer, M., Gadski, J., Traubel, H., & Lubin, G. (2001). Great singers sing Wagner. TIM The International Music Company.

Chicago Style (17th ed.) Citation

Wagner, Richard, Frida Leider, Margarete Bäumer, Johanna Gadski, Helen Traubel, and Germaine Lubin. Great Singers Sing Wagner. Hamburg: TIM The International Music Company, 2001.

MLA (9th ed.) Citation

Wagner, Richard, et al. Great Singers Sing Wagner. TIM The International Music Company, 2001.