Cita APA (7a ed.)

Huth, P. K., & Allee, T. L. (2003). The democratic peace and territorial conflict in the twentieth century. Cambridge University Press.

Cita Chicago Style (17a ed.)

Huth, Paul K., y Todd L. Allee. The Democratic Peace and Territorial Conflict in the Twentieth Century. Cambridge, UK ; New York: Cambridge University Press, 2003.

Cita MLA (8a ed.)

Huth, Paul K., y Todd L. Allee. The Democratic Peace and Territorial Conflict in the Twentieth Century. Cambridge University Press, 2003.