Cita APA (7th ed.)

Collier, P., Hoeffler, A., & Rohner, D. (2009). Beyond greed and grievance: Feasibility and civil war.

Cita Chicago (17th ed.)

Collier, P., A. Hoeffler, i D. Rohner. Beyond Greed and Grievance: Feasibility and Civil War. 2009.

Cita MLA (9th ed.)

Collier, P., et al. Beyond Greed and Grievance: Feasibility and Civil War. 2009.