Williams, G. M. (1969). The siege of Trencher's Farm. Secker & Warburg.
芝加哥风格引文Williams, Gordon M. The Siege of Trencher's Farm. London: Secker & Warburg, 1969.
MLA引文Williams, Gordon M. The Siege of Trencher's Farm. Secker & Warburg, 1969.
警告：这些引文格式不一定是100％准确.