Cita APA (7a ed.)

Harrison, G. (1971). Introducing Shakespeare (3rd ed. revised and expanded.). Penguin.

Cita Chicago Style (17a ed.)

Harrison, G.B. Introducing Shakespeare. 3rd ed. revised and expanded. Middlesex: Penguin, 1971.

Cita MLA (8a ed.)

Harrison, G.B. Introducing Shakespeare. 3rd ed. revised and expanded. Penguin, 1971.