APA (7th ed.) Citation

Shakespeare, W., & Harrison, G. B. (1937). The Tragedy of Richard II. Penguin.

Chicago Style (17th ed.) Citation

Shakespeare, William, and G. B. Harrison. The Tragedy of Richard II. London: Penguin, 1937.

MLA (9th ed.) Citation

Shakespeare, William, and G. B. Harrison. The Tragedy of Richard II. Penguin, 1937.

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