Cita APA (7th ed.)

Shaw, B. (1946). Plays unpleasant. Penguin books.

Cita Chicago (17th ed.)

Shaw, Bernard. Plays Unpleasant. New York: Penguin books, 1946.

Cita MLA (9th ed.)

Shaw, Bernard. Plays Unpleasant. Penguin books, 1946.