Shaffer, P. (1968). Black comedy: A comedy. French.
Cita Chicago (17th ed.)Shaffer, Peter. Black Comedy: A Comedy. London, New York [etc.]: French, 1968.
Cita MLA (9th ed.)Shaffer, Peter. Black Comedy: A Comedy. French, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.