Fortna, V. Page. With Lisa Martin. Peacekeepers as Signals: the Demand for International Peacekeeping in Civil Wars. In Power, Interdependence, and Nonstate Actors in World Politics: Research Frontiers, edited by Helen V. Milner and Andrew Moravcsik. Princeton, NJ: Princeton University Press, 2009.

With Lisa Martin. “Peacekeepers as Signals: the Demand for International Peacekeeping in Civil Wars.” In Power, Interdependence, and Nonstate Actors in World Politics: Research Frontiers, edited by Helen V. Milner and Andrew Moravcsik. Princeton, NJ: Princeton University Press, 2009.