APA (7th ed.) Citation

Canton, H., & Holman, C. A. (2001). The Europa directory of international organizations 2001 (3rd ed.). Europa Publications.

Chicago Style (17th ed.) Citation

Canton, Helen, and Catriona Appeatu Holman. The Europa Directory of International Organizations 2001. 3rd ed. London: Europa Publications, 2001.

MLA (9th ed.) Citation

Canton, Helen, and Catriona Appeatu Holman. The Europa Directory of International Organizations 2001. 3rd ed. Europa Publications, 2001.