A manual for writers of research papers, theses, and dissertations, 7th edition - Kate L. Turabian 2007

Publications of international bodies
Notes-bibliography style: citing specific types of sources
Part II. Source Citation

If you cite documents of international bodies such as the United Nations, identify the authorizing body (and the author or editor where appropriate), the topic or title of the document, and the date. Also include series and publication numbers, place of publication, and a page reference. You may use abbreviations in both notes and bibliography entries for major bodies (UN for United Nations, WTO for World Trade Organization, and so forth) where the reference is clear.

N: 1. League of Nations, Position of Women of Russian Origin in the Far East, ser. LoNP (Geneva, 1935), IV.3.

3. UN General Assembly, Ninth Session, Official Records, Supplement 19, Special United Nations Fund for Economic Development: Final Report, prepared by Raymond Scheyven in pursuance of UN General Assembly Resolution 724B (VIII), A/2728, 1954.

B: General Agreement on Tariffs and Trade. The Results of the Uruguay Round of Multilateral Trade Negotiations: The Legal Texts. Geneva: GATT Secretariat, 1994.

World Trade Organization. International Trade: Trends and Statistics. Geneva: WTO, 1995.