APA (7th ed.) Citation

(2005). The member states of the European Union (1. publ.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

The Member States of the European Union. 1. publ. Oxford [u.a.]: Oxford Univ. Press, 2005.

MLA (9th ed.) Citation

The Member States of the European Union. 1. publ. Oxford Univ. Press, 2005.