APA (7th ed.) Citation

United Nations. Economic Commission for Europe. (1971). The European Economy in 1970. United Nations. Economic Commission for Europe.

Chicago Style (17th ed.) Citation

United Nations. Economic Commission for Europe. The European Economy in 1970. New York: United Nations. Economic Commission for Europe, 1971.

MLA (9th ed.) Citation

United Nations. Economic Commission for Europe. The European Economy in 1970. United Nations. Economic Commission for Europe, 1971.