Smith, W. C. (1981). On understanding Islam: Selected studies. Mouton.
芝加哥风格引文Smith, Wilfred Cantwell. On Understanding Islam: Selected Studies. The Hague ; New York: Mouton, 1981.
MLA引文Smith, Wilfred Cantwell. On Understanding Islam: Selected Studies. Mouton, 1981.
警告：这些引文格式不一定是100％准确.