APA (7th ed.) Citation

Shaw, G. B., & Laurence, D. H. (2000). Major Barbara. Penguin Books.

Chicago Style (17th ed.) Citation

Shaw, George Bernard, and Dan H. Laurence. Major Barbara. London: Penguin Books, 2000.

MLA (9th ed.) Citation

Shaw, George Bernard, and Dan H. Laurence. Major Barbara. Penguin Books, 2000.