Geller, D. S., & Singer , D. (1998). Nations at war: A scientific study of international conflict. Univ. Pr.
Cita Chicago (17th ed.)Geller, Daniel S., i David Singer. Nations at War: A Scientific Study of International Conflict. Cambridge: Univ. Pr, 1998.
Cita MLA (9th ed.)Geller, Daniel S., i David Singer. Nations at War: A Scientific Study of International Conflict. Univ. Pr, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.