APA (7th ed.) Citation

Beethoven, L. v., Nilsson, B., McCracken, J., Maazel, L., & Sonnleithner, J. F. (1964). Fidelio. London.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Birgit Nilsson, James McCracken, Lorin Maazel, and Joseph Ferdinand Sonnleithner. Fidelio. London, 1964.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Fidelio. London, 1964.