Cita APA (7a ed.)

Hix, S., & Høyland, B. K. (2011). The political system of the European Union (Third edition.). Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Hix, Simon, y Bjørn Kåre Høyland. The Political System of the European Union. Third edition. Houndmills, Basingstoke, Hampshire, [England] ; New York, New York: Palgrave Macmillan, 2011.

Cita MLA (9a ed.)

Hix, Simon, y Bjørn Kåre Høyland. The Political System of the European Union. Third edition. Palgrave Macmillan, 2011.