APA (7th ed.) Citation

Sottiaux, S., Cloots, E., & Baere, G. D. (2012). Federalism in the European Union. Hart.

Chicago Style (17th ed.) Citation

Sottiaux, Stefan, Elke Cloots, and Geert De Baere. Federalism in the European Union. Oxford [etc.]: Hart, 2012.

MLA (9th ed.) Citation

Sottiaux, Stefan, et al. Federalism in the European Union. Hart, 2012.