Maier, C. T. (1994). Preaching the Crusades: Mendicant friars and the Cross in the thirteenth century. Cambridge University Press.
芝加哥风格引文Maier, Christoph T. Preaching the Crusades: Mendicant Friars and the Cross in the Thirteenth Century. New York: Cambridge University Press, 1994.
MLA引文Maier, Christoph T. Preaching the Crusades: Mendicant Friars and the Cross in the Thirteenth Century. Cambridge University Press, 1994.
警告：这些引文格式不一定是100％准确.