Smail, R. C. (1987). Crusading warfare: (1097 - 1193) Cambridge studies in medieval life and thought.
芝加哥风格引文Smail, Raymond C. "Crusading Warfare: (1097 - 1193)." Cambridge Studies in Medieval Life and Thought 1987.
MLA引文Smail, Raymond C. "Crusading Warfare: (1097 - 1193)." Cambridge Studies in Medieval Life and Thought, 1987.
警告：这些引文格式不一定是100％准确.