APA (7th ed.) Citation

Griffiths, M., & O'Callaghan, T. (2002). International relations: The key concepts (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

Griffiths, Martin, and Terry O'Callaghan. International Relations: The Key Concepts. 1. publ. London [u.a.]: Routledge, 2002.

MLA (9th ed.) Citation

Griffiths, Martin, and Terry O'Callaghan. International Relations: The Key Concepts. 1. publ. Routledge, 2002.