Cita APA (7a ed.)

Richmond, O. P. (2020). Peace in international relations (2nd edition.). Routledge, Taylor & Francis Group.

Cita Chicago Style (17a ed.)

Richmond, Oliver P. Peace in International Relations. 2nd edition. London ; New York: Routledge, Taylor & Francis Group, 2020.

Cita MLA (9a ed.)

Richmond, Oliver P. Peace in International Relations. 2nd edition. Routledge, Taylor & Francis Group, 2020.