Wren, P. C. (1925). The wages of virtue (Cheap ed.). J. Murray.
芝加哥风格引文Wren, Percival Christopher. The Wages of Virtue. Cheap ed. London: J. Murray, 1925.
MLA引文Wren, Percival Christopher. The Wages of Virtue. Cheap ed. J. Murray, 1925.
警告：这些引文格式不一定是100％准确.