APA (7th ed.) Citation

Wallace, W. (1996). Opening the door : the enlargement of NATO and the European Union / William Wallace: The enlargement of NATO and the European Union. Centre for European Reform.

Chicago Style (17th ed.) Citation

Wallace, William. Opening the Door : The Enlargement of NATO and the European Union / William Wallace: The Enlargement of NATO and the European Union. London: Centre for European Reform, 1996.

MLA (9th ed.) Citation

Wallace, William. Opening the Door : The Enlargement of NATO and the European Union / William Wallace: The Enlargement of NATO and the European Union. Centre for European Reform, 1996.

Warning: These citations may not always be 100% accurate.