APA (7th ed.) Citation

Percy, S. (2007). Mercenaries: The History of a Norm in International Relations. Oxford University Press.

Chicago Style (17th ed.) Citation

Percy, S. Mercenaries: The History of a Norm in International Relations. Oxford University Press, 2007.

MLA (9th ed.) Citation

Percy, S. Mercenaries: The History of a Norm in International Relations. Oxford University Press, 2007.

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