APA (7th ed.) Citation

Collier, P., & Sambanis, N. (2005). Understanding civil war: Evidence and analysis. World Bank.

Chicago Style (17th ed.) Citation

Collier, Paul, and Nicholas Sambanis. Understanding Civil War: Evidence and Analysis. Washington, D.C: World Bank, 2005.

MLA (9th ed.) Citation

Collier, Paul, and Nicholas Sambanis. Understanding Civil War: Evidence and Analysis. World Bank, 2005.