APA (7th ed.) Citation

Howard. (1984). The causes of wars and other essays (2nd ed., enl.). Harvard University Press.

Chicago Style (17th ed.) Citation

Howard. The Causes of Wars and Other Essays. 2nd ed., enl. Cambridge, Mass: Harvard University Press, 1984.

MLA (8th ed.) Citation

Howard. The Causes of Wars and Other Essays. 2nd ed., enl. Harvard University Press, 1984.