Cita APA (7th ed.)

Smart, J. (2009). Twentieth century british drama (7th printing.). Cambridge University Press.

Cita Chicago (17th ed.)

Smart, John. Twentieth Century British Drama. 7th printing. Cambridge: Cambridge University Press, 2009.

Cita MLA (9th ed.)

Smart, John. Twentieth Century British Drama. 7th printing. Cambridge University Press, 2009.