APA (7th ed.) Citation

O'Brennan, J. (2006). The eastern enlargement of the European Union (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

O'Brennan, John. The Eastern Enlargement of the European Union. 1. publ. New York [u.a.]: Routledge, 2006.

MLA (9th ed.) Citation

O'Brennan, John. The Eastern Enlargement of the European Union. 1. publ. Routledge, 2006.