APA (7th ed.) Citation

Crofton, I. (2011). World history: 50 things you really need to know. Quercus.

Chicago Style (17th ed.) Citation

Crofton, Ian. World History: 50 Things You Really Need to Know. London, UK: Quercus, 2011.

MLA (9th ed.) Citation

Crofton, Ian. World History: 50 Things You Really Need to Know. Quercus, 2011.

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