Cita APA (7a ed.)

Wessels, W., Maurer, A., & Mittag, J. (2003). Fifteen into one?: The European Union and its member states. Manchester University Press.

Cita Chicago Style (17a ed.)

Wessels, Wolfgang, Andreas Maurer, y Jürgen Mittag. Fifteen into One?: The European Union and Its Member States. New York: Manchester University Press, 2003.

Cita MLA (9a ed.)

Wessels, Wolfgang, et al. Fifteen into One?: The European Union and Its Member States. Manchester University Press, 2003.