APA (7th ed.) Citation

Leonard, R. L. (2000). Guide to the european union (7. ed.). Economist [u.a.].

Chicago Style (17th ed.) Citation

Leonard, R. L. Guide to the European Union. 7. ed. [London]: Economist [u.a.], 2000.

MLA (9th ed.) Citation

Leonard, R. L. Guide to the European Union. 7. ed. Economist [u.a.], 2000.