APA (7th ed.) Citation

Shaw, G. B. (1946). The doctor's dilemma: A tragedy. Penguin Books.

Chicago Style (17th ed.) Citation

Shaw, George Bernard. The Doctor's Dilemma: A Tragedy. Harmondsworth: Penguin Books, 1946.

MLA (9th ed.) Citation

Shaw, George Bernard. The Doctor's Dilemma: A Tragedy. Penguin Books, 1946.