Cita APA (7th ed.)

Hill, C. (2011). International relations and the European Union (2nd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Hill, Christopher. International Relations and the European Union. 2nd ed. New York: Oxford University Press, 2011.

Cita MLA (9th ed.)

Hill, Christopher. International Relations and the European Union. 2nd ed. Oxford University Press, 2011.