APA
Shepard S., . (1996). The unseen hand and other plays. New York: Vintage Books.
Chicago
Shepard Sam, . 1996. The unseen hand and other plays. New York: Vintage Books.
Harvard
Shepard S., . (1996). The unseen hand and other plays. New York: Vintage Books.
MLA
Shepard Sam, . The unseen hand and other plays. New York: Vintage Books. 1996.