APA (7th ed.) Citation

Camilleri, A., & Sartarelli, S. (2012). The age of doubt. Penguin Books.

Chicago Style (17th ed.) Citation

Camilleri, Andrea, and Stephen Sartarelli. The Age of Doubt. New York, N.Y.: Penguin Books, 2012.

MLA (8th ed.) Citation

Camilleri, Andrea, and Stephen Sartarelli. The Age of Doubt. Penguin Books, 2012.

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