APA (7th ed.) Citation

Howard, M. (1977). War in European history (1st pub., reprint.). Oxford University Press.

Chicago Style (17th ed.) Citation

Howard, Michael. War in European History. 1st pub., reprint. London [etc.]: Oxford University Press, 1977.

MLA (9th ed.) Citation

Howard, Michael. War in European History. 1st pub., reprint. Oxford University Press, 1977.

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