Cita APA (7a ed.)
Hill, C., & Smith, M. (2011). International relations and the European union (2nd ed.). Oxford University Press.
Cita Chicago Style (17a ed.)
Hill, Christopher, y Michael Smith. International Relations and the European Union. 2nd ed. New York: Oxford University Press, 2011.
Cita MLA (9a ed.)
Hill, Christopher, y Michael Smith. International Relations and the European Union. 2nd ed. Oxford University Press, 2011.
Precaución: Estas citas no son 100% exactas.