APA引文

Shepard, S. (1988). The unseen hand and other plays (Repr.). 1981.

芝加哥风格引文

Shepard, Sam. The Unseen Hand and Other Plays. Repr. New York: 1981, 1988.

MLA引文

Shepard, Sam. The Unseen Hand and Other Plays. Repr. 1981, 1988.

警告：这些引文格式不一定是100％准确.