Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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