Cita APA (7a ed.)

Shaw, B. (1941). Pygmalion; an romance in five acts. Penguin Books.

Cita Chicago Style (17a ed.)

Shaw, Bernard. Pygmalion; an Romance in Five Acts. Middlesex: Penguin Books, 1941.

Cita MLA (8a ed.)

Shaw, Bernard. Pygmalion; an Romance in Five Acts. Penguin Books, 1941.