DAVIS, R. (1957). A history of medieval Europe: From Constantine to Saint Louis. Longmans.
Cita Chicago (17th ed.)DAVIS, R.H.C. A History of Medieval Europe: From Constantine to Saint Louis. London: Longmans, 1957.
Cita MLA (9th ed.)DAVIS, R.H.C. A History of Medieval Europe: From Constantine to Saint Louis. Longmans, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.