Cita APA

Cowdrey, H. E. J. 1. (1970). The Cluniacs and the Gregorian Reform. Oxford: At the Clarendon Press.

Citación estilo Chicago

Cowdrey, H. E. J. 1926-2009. The Cluniacs and the Gregorian Reform. Oxford: At the Clarendon Press, 1970.

Cita MLA

Cowdrey, H. E. J. 1926-2009. The Cluniacs and the Gregorian Reform. Oxford: At the Clarendon Press, 1970.