Cita APA (7a ed.)

Cowdrey, H. E. J. (1970). The Cluniacs and the Gregorian Reform. At the Clarendon Press.

Cita Chicago Style (17a ed.)

Cowdrey, H. E. J. The Cluniacs and the Gregorian Reform. Oxford: At the Clarendon Press, 1970.

Cita MLA (9a ed.)

Cowdrey, H. E. J. The Cluniacs and the Gregorian Reform. At the Clarendon Press, 1970.