APA-viite (7. p.)

Collier, P., Hoeffler, A., & Söderbom, M. (2001). On the Duration of Civil War. World Bank.

Chicago-viite (17. p.)

Collier, P., A. Hoeffler, ja M. Söderbom. On the Duration of Civil War. World Bank, 2001.

MLA-viite (9. p.)

Collier, P., et al. On the Duration of Civil War. World Bank, 2001.