Cita APA (7th ed.)

Ringmar, E. (2019). History of international relations: A non-European perspective. Open Book Publishers.

Cita Chicago (17th ed.)

Ringmar, Erik. History of International Relations: A Non-European Perspective. Cambridge, UK: Open Book Publishers, 2019.

Cita MLA (9th ed.)

Ringmar, Erik. History of International Relations: A Non-European Perspective. Open Book Publishers, 2019.