APA (7th ed.) Citation

Shaw, G. B. (1938). Pygmalion a romance in five acts. Penguin Books.

Chicago Style (17th ed.) Citation

Shaw, George Bernard. Pygmalion a Romance in Five Acts. Edimburgo: Penguin Books, 1938.

MLA (9th ed.) Citation

Shaw, George Bernard. Pygmalion a Romance in Five Acts. Penguin Books, 1938.

Warning: These citations may not always be 100% accurate.