APA (7th ed.) Citation

Clegg, B. (2015). Light years: The extraordinary story of mankind's fascination with light. Icon Books Ltd.

Chicago Style (17th ed.) Citation

Clegg, Brian. Light Years: The Extraordinary Story of Mankind's Fascination with Light. London: Icon Books Ltd, 2015.

MLA (9th ed.) Citation

Clegg, Brian. Light Years: The Extraordinary Story of Mankind's Fascination with Light. Icon Books Ltd, 2015.