APA (7th ed.) Citation

Williams, H. (2006). Days that changed the world. Quercus Publishing.

Chicago Style (17th ed.) Citation

Williams, Hywel. Days That Changed the World. London: Quercus Publishing, 2006.

MLA (8th ed.) Citation

Williams, Hywel. Days That Changed the World. Quercus Publishing, 2006.

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