APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Griffiths, Martin , Terry O'Callaghan, and Steven C. Roach. International Relations: The Key Concepts. 3rd ed. Abingdon, Oxon: Routledge, 2014.

MLA (9th ed.) Citation

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