Cita APA (7a ed.)

Shaffer, P. (1987). Equus. Penguin Books.

Cita Chicago Style (17a ed.)

Shaffer, Peter. Equus. Harmondsworth [etc.]: Penguin Books, 1987.

Cita MLA (9a ed.)

Shaffer, Peter. Equus. Penguin Books, 1987.