APA (7th ed.) Citation

Le Carré, J. (2009). The looking glass war / John le Carré. Sceptre.

Chicago Style (17th ed.) Citation

Le Carré, John. The Looking Glass War / John Le Carré. London: Sceptre, 2009.

MLA (9th ed.) Citation

Le Carré, John. The Looking Glass War / John Le Carré. Sceptre, 2009.

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