Rist, R. (2009). The papacy and crusading in Europe, 1198-1245. Continuum.
芝加哥风格引文Rist, Rebecca. The Papacy and Crusading in Europe, 1198-1245. London ; New York: Continuum, 2009.
MLA引文Rist, Rebecca. The Papacy and Crusading in Europe, 1198-1245. Continuum, 2009.
警告：这些引文格式不一定是100％准确.