APA (7th ed.) Citation

United Nations. Department of Economic and Social Affairs. (1972). Regional socio-economic development. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. Regional Socio-economic Development. New York: United Nations, 1972.

MLA (9th ed.) Citation

United Nations. Department of Economic and Social Affairs. Regional Socio-economic Development. United Nations, 1972.