APA (7th ed.) Citation

United Nations. Economic Commission for Africa. (1968). A survey of economic conditions in Africa. United Nations Publication.

Chicago Style (17th ed.) Citation

United Nations. Economic Commission for Africa. A Survey of Economic Conditions in Africa. New York: United Nations Publication, 1968.

MLA (9th ed.) Citation

United Nations. Economic Commission for Africa. A Survey of Economic Conditions in Africa. United Nations Publication, 1968.