APA (7th ed.) Citation

United Nations. Economic Commission for Europe. (1968). The world market for iron ore.

Chicago Style (17th ed.) Citation

United Nations. Economic Commission for Europe. The World Market for Iron Ore. New York, 1968.

MLA (9th ed.) Citation

United Nations. Economic Commission for Europe. The World Market for Iron Ore. 1968.

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