Cita APA (7a ed.)

Geller, D. S., & Singer, J. D. (2000). Nations at war: A scientific study of international conflict (Repr. 2000.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Geller, Daniel S., y J. David Singer. Nations at War: A Scientific Study of International Conflict. Repr. 2000. Cambridge [etc.]: Cambridge University Press, 2000.

Cita MLA (9a ed.)

Geller, Daniel S., y J. David Singer. Nations at War: A Scientific Study of International Conflict. Repr. 2000. Cambridge University Press, 2000.