Cita APA (7th ed.)

Shaffer, P. (2005). Equus (First Scribner paperback edition.). Scribner.

Cita Chicago (17th ed.)

Shaffer, Peter. Equus. First Scribner paperback edition. New York, NY: Scribner, 2005.

Cita MLA (9th ed.)

Shaffer, Peter. Equus. First Scribner paperback edition. Scribner, 2005.