APA (7th ed.) Citation

Gillespie, A. A history of the laws of war. Hart.

Chicago Style (17th ed.) Citation

Gillespie, Alexander. A History of the Laws of War. Oxford [u.a.]: Hart.

MLA (9th ed.) Citation

Gillespie, Alexander. A History of the Laws of War. Hart.

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