Cita APA

Viotti, P. R., & Kauppi, M. V. (2010). International relations theory (Fourth edition.). Longman.

Citación estilo Chicago

Viotti, Paul R., and Mark V. Kauppi. International Relations Theory. Fourth edition. New York: Longman, 2010.

Cita MLA

Viotti, Paul R., and Mark V. Kauppi. International Relations Theory. Fourth edition. Longman, 2010.