APA (7th ed.) Citation

United Nations. Economic Commission for Europe Geneva. (1972). Economic survey of Europe in 1971. United Nations Publication.

Chicago Style (17th ed.) Citation

United Nations. Economic Commission for Europe Geneva. Economic Survey of Europe in 1971. New York: United Nations Publication, 1972.

MLA (9th ed.) Citation

United Nations. Economic Commission for Europe Geneva. Economic Survey of Europe in 1971. United Nations Publication, 1972.