APA (7th ed.) Citation

Shaffer, P. (1973). Equus: A play in two acts. S. French.

Chicago Style (17th ed.) Citation

Shaffer, Peter. Equus: A Play in Two Acts. New York: S. French, 1973.

MLA (9th ed.) Citation

Shaffer, Peter. Equus: A Play in Two Acts. S. French, 1973.