APA (7th ed.) Citation

Hill, C., & Smith, M. (2005). International relations and the European Union. Oxford University Press.

Chicago Style (17th ed.) Citation

Hill, Christopher, and Michael Smith. International Relations and the European Union. Oxford: Oxford University Press, 2005.

MLA (9th ed.) Citation

Hill, Christopher, and Michael Smith. International Relations and the European Union. Oxford University Press, 2005.