APA (7th ed.) Citation

Keen, D. (2012). Useful enemies when waging wars is more important than winning them / David Keen: When waging wars is more important than winning them. Yale University Press.

Chicago Style (17th ed.) Citation

Keen, David. Useful Enemies When Waging Wars Is More Important than Winning Them / David Keen: When Waging Wars Is More Important than Winning Them. New Haven, Conn. ; London: Yale University Press, 2012.

MLA (9th ed.) Citation

Keen, David. Useful Enemies When Waging Wars Is More Important than Winning Them / David Keen: When Waging Wars Is More Important than Winning Them. Yale University Press, 2012.

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