Cita APA (7a ed.)

Griffiths, M., O'Callaghan, T., & Roach, S. C. (2014). International relations: The key concepts (3th ed.). Routledge.

Cita Chicago Style (17a ed.)

Griffiths, Martin, Terry O'Callaghan, y Steven C. Roach. International Relations: The Key Concepts. 3th ed. New York: Routledge, 2014.

Cita MLA (9a ed.)

Griffiths, Martin, et al. International Relations: The Key Concepts. 3th ed. Routledge, 2014.