Cita APA (7a ed.)

Shaw, B. (1967). Plays Unpleasant. Penguin Boooks.

Cita Chicago Style (17a ed.)

Shaw, Bernard. Plays Unpleasant. Baltimore: Penguin Boooks, 1967.

Cita MLA (9a ed.)

Shaw, Bernard. Plays Unpleasant. Penguin Boooks, 1967.