Gilson, E. (1955). History of Christian philosophy in the Middle Ages. Sheed and Ward.
芝加哥风格引文Gilson, Etienne. History of Christian Philosophy in the Middle Ages. London: Sheed and Ward, 1955.
MLA引文Gilson, Etienne. History of Christian Philosophy in the Middle Ages. Sheed and Ward, 1955.
警告：这些引文格式不一定是100％准确.