APA (7th ed.) Citation

Besley, T., & Persson, T. (2008). The incidence of civil war: Theory and evidence. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Besley, Timothy, and Torsten Persson. The Incidence of Civil War: Theory and Evidence. Cambridge, Mass: National Bureau of Economic Research, 2008.

MLA (9th ed.) Citation

Besley, Timothy, and Torsten Persson. The Incidence of Civil War: Theory and Evidence. National Bureau of Economic Research, 2008.