APA (7th ed.) Citation

Sheffield, G. D. (2014). A short history of the First World War. Oneworld.

Chicago Style (17th ed.) Citation

Sheffield, G. D. A Short History of the First World War. London: Oneworld, 2014.

MLA (9th ed.) Citation

Sheffield, G. D. A Short History of the First World War. Oneworld, 2014.

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