APA (7th ed.) Citation

Shaw, B. (1960). Major Barbara: Definitive text (Original stage version.). Penguin Books.

Chicago Style (17th ed.) Citation

Shaw, Bernard. Major Barbara: Definitive Text. Original stage version. London ; New York: Penguin Books, 1960.

MLA (9th ed.) Citation

Shaw, Bernard. Major Barbara: Definitive Text. Original stage version. Penguin Books, 1960.