APA (7th ed.) Citation

Camilleri, A., & Sartarelli, S. (2015). A beam of light. Penguin Books.

Chicago Style (17th ed.) Citation

Camilleri, Andrea, and Stephen Sartarelli. A Beam of Light. New York City: Penguin Books, 2015.

MLA (8th ed.) Citation

Camilleri, Andrea, and Stephen Sartarelli. A Beam of Light. Penguin Books, 2015.

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