Cita APA (7a ed.)

Mortimer, R. C. (1939). The origins of private penance in the Western Church. Clarendon Press.

Cita Chicago Style (17a ed.)

Mortimer, Robert Cecil. The Origins of Private Penance in the Western Church. Oxford: Clarendon Press, 1939.

Cita MLA (9a ed.)

Mortimer, Robert Cecil. The Origins of Private Penance in the Western Church. Clarendon Press, 1939.