APA (7th ed.) Citation

Jankowski, P. (2014). Verdun: The longest battle of the Great War. Oxford University Press.

Chicago Style (17th ed.) Citation

Jankowski, Paul. Verdun: The Longest Battle of the Great War. Oxford ; New York: Oxford University Press, 2014.

MLA (9th ed.) Citation

Jankowski, Paul. Verdun: The Longest Battle of the Great War. Oxford University Press, 2014.