Cita APA (7a ed.)

Levy, K. (1998). Gregorian Chant and the Carolingians. Princeton University Press.

Cita Chicago Style (17a ed.)

Levy, Kenneth. Gregorian Chant and the Carolingians. Princeton, N.J.: Princeton University Press, 1998.

Cita MLA (8a ed.)

Levy, Kenneth. Gregorian Chant and the Carolingians. Princeton University Press, 1998.