APA (7th ed.) Citation

Harris, L. (2004). Civilization and its enemies: The next stage of history. Free Press.

Chicago Style (17th ed.) Citation

Harris, Lee. Civilization and Its Enemies: The Next Stage of History. New York: Free Press, 2004.

MLA (9th ed.) Citation

Harris, Lee. Civilization and Its Enemies: The Next Stage of History. Free Press, 2004.