Cita APA (7a ed.)

Jaeger, C. S. (2000). The envy of angels: Cathedral schools and social ideas in medieval Europe, 950-1200. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Jaeger, C. Stephen. The Envy of Angels: Cathedral Schools and Social Ideas in Medieval Europe, 950-1200. Philadelphia: University of Pennsylvania Press, 2000.

Cita MLA (9a ed.)

Jaeger, C. Stephen. The Envy of Angels: Cathedral Schools and Social Ideas in Medieval Europe, 950-1200. University of Pennsylvania Press, 2000.