APA (7th ed.) Citation

Stoppard, T., Stoppard, T., & Stoppard, T. (1987). Squaring the circle. Faber and Faber.

Chicago Style (17th ed.) Citation

Stoppard, Tom, Tom Stoppard, and Tom Stoppard. Squaring the Circle. London u.a: Faber and Faber, 1987.

MLA (9th ed.) Citation

Stoppard, Tom, et al. Squaring the Circle. Faber and Faber, 1987.