Hales, M. (1996). Tracking down the principles. Hearts knit together, 13-20.
芝加哥风格引文Hales, Mary. "Tracking Down the Principles." Hearts Knit Together 1996: 13-20.
MLA引文Hales, Mary. "Tracking Down the Principles." Hearts Knit Together, 1996, pp. 13-20.
警告：这些引文格式不一定是100％准确.