Allen, R. (2015). Episcopal acta in Normandy, 911-1204: The charters of the bishops of Avranches, Coutances and Sées. Boydell Press.
芝加哥风格引文Allen, R. Episcopal Acta in Normandy, 911-1204: The Charters of the Bishops of Avranches, Coutances and Sées. Boydell Press, 2015.
MLA引文Allen, R. Episcopal Acta in Normandy, 911-1204: The Charters of the Bishops of Avranches, Coutances and Sées. Boydell Press, 2015.
警告：这些引文格式不一定是100％准确.