APA Edition Citation

Martin Griffiths & Terry O'Callaghan. (2004). International relations: The key concepts. Routledge.

Chicago Edition Citation

Martin Griffiths and Terry O'Callaghan. International Relations: The Key Concepts. London: Routledge, 2004.

MLA Edition Citation

Martin Griffiths and Terry O'Callaghan. International Relations: The Key Concepts. Routledge, 2004.

Warning: These citations may not always be 100% accurate.