Shaffer, P. (1990). Lettice & lovage: A comedy (1st U.S. ed.). Harper & Row.
芝加哥风格引文Shaffer, Peter. Lettice & Lovage: A Comedy. 1st U.S. ed. New York: Harper & Row, 1990.
MLA引文Shaffer, Peter. Lettice & Lovage: A Comedy. 1st U.S. ed. Harper & Row, 1990.
警告：这些引文格式不一定是100％准确.