APA (7th ed.) Citation

Leoninus, Potter, J., & Wistreich, R. (2001). Sacred music from 12th-century Paris. Koch International.

Chicago Style (17th ed.) Citation

Leoninus, John Potter, and Richard Wistreich. Sacred Music from 12th-century Paris. München: Koch International, 2001.

MLA (9th ed.) Citation

Leoninus, et al. Sacred Music from 12th-century Paris. Koch International, 2001.