Harrison, G. B. (1939). Introducing Shakespeare. Penguin Books.
Cita Chicago (17th ed.)Harrison, G. B. Introducing Shakespeare. Londres: Penguin Books, 1939.
Cita MLA (9th ed.)Harrison, G. B. Introducing Shakespeare. Penguin Books, 1939.
Atenció: Aquestes cites poden no estar 100% correctes.