APA (7th ed.) Citation

Le Carré, J. (2013). The spy who came in from the cold (50th anniversary edition.). Penguin Books.

Chicago Style (17th ed.) Citation

Le Carré, John. The Spy Who Came in from the Cold. 50th anniversary edition. New York, New York: Penguin Books, 2013.

MLA (8th ed.) Citation

Le Carré, John. The Spy Who Came in from the Cold. 50th anniversary edition. Penguin Books, 2013.

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