Cita APA (7a ed.)

Shaw, B. (1972). Plays Unpleasant: Widowers´ houses; The philanderer; Mrs. Warren´s profession. Penguin Books.

Cita Chicago Style (17a ed.)

Shaw, Bernard. Plays Unpleasant: Widowers´ Houses; The Philanderer; Mrs. Warren´s Profession. London, Inglaterra: Penguin Books, 1972.

Cita MLA (9a ed.)

Shaw, Bernard. Plays Unpleasant: Widowers´ Houses; The Philanderer; Mrs. Warren´s Profession. Penguin Books, 1972.