Cita APA (7a ed.)

Cheney, C. R. (1976). Pope Innocent III and England. Anton Hiersemann.

Cita Chicago Style (17a ed.)

Cheney, Christopher R. Pope Innocent III and England. Stuttgart: Anton Hiersemann, 1976.

Cita MLA (9a ed.)

Cheney, Christopher R. Pope Innocent III and England. Anton Hiersemann, 1976.