APA (7th ed.) Citation

Harrison, G. B. (1939). Introducing Shakespeare. Penguin Books.

Chicago Style (17th ed.) Citation

Harrison, G. B. Introducing Shakespeare. Harmondsworth: Penguin Books, 1939.

MLA (9th ed.) Citation

Harrison, G. B. Introducing Shakespeare. Penguin Books, 1939.

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