Shaffer, P. (2006). Equus. Penguin.
Cita Chicago (17th ed.)Shaffer, Peter. Equus. London: Penguin, 2006.
Cita MLA (9th ed.)Shaffer, Peter. Equus. Penguin, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)