APA (7th ed.) Citation

United Nations. Economic Commission for Europe & United Nations. Economic Commission for Europe. Secretariat. (1977). Statistics of world trade in steel. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Economic Commission for Europe and United Nations. Economic Commission for Europe. Secretariat. Statistics of World Trade in Steel. New York: United Nations, 1977.

MLA (8th ed.) Citation

United Nations. Economic Commission for Europe and United Nations. Economic Commission for Europe. Secretariat. Statistics of World Trade in Steel. United Nations, 1977.