Cita APA (7a ed.)

Geller, D. S., & Singer, J. D. (1998). Nations at war: A scientific study of international conflict. Cambridge University Press.

Cita Chicago Style (17a ed.)

Geller, Daniel S.., y Joel David Singer. Nations at War: A Scientific Study of International Conflict. Cambridge: Cambridge University Press, 1998.

Cita MLA (9a ed.)

Geller, Daniel S.., y Joel David Singer. Nations at War: A Scientific Study of International Conflict. Cambridge University Press, 1998.