APA (7th ed.) Citation

Collier, P., & Hoeffler, A. (2007). Military spending and the risks of coups d'etats.

Chicago Style (17th ed.) Citation

Collier, P., and A. Hoeffler. Military Spending and the Risks of Coups D'etats. 2007.

MLA (9th ed.) Citation

Collier, P., and A. Hoeffler. Military Spending and the Risks of Coups D'etats. 2007.

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