Robert Jervis, “The Costs of the Quantitative Study of International Relations,” in Contending Approaches to International Politics, eds. Klaus Knorr and James Rosenau (Princeton, NJ: Princeton University Press, 1968).

“The Costs of the Quantitative Study of International Relations.” Contending Approaches to International Politics, ed. Klaus Knorr and James Rosenau (Princeton University Press, 1968).