Cita APA (7a ed.)

Hill, C., Smith, M., & Vanhoonacker, S. (2017). International relations and the European Union (3rd ed.). University Press.

Cita Chicago Style (17a ed.)

Hill, Christopher, Michael Smith, y Sophie Vanhoonacker. International Relations and the European Union. 3rd ed. Oxford [etc.]: University Press, 2017.

Cita MLA (9a ed.)

Hill, Christopher, et al. International Relations and the European Union. 3rd ed. University Press, 2017.