APA
United Nations. Department of Economic and Social Affairs, . (1957). Report on a co-ordinated policy regarding family levels of living. New York: United Nations.
Chicago
United Nations. Department of Economic and Social Affairs, . 1957. Report on a co-ordinated policy regarding family levels of living. New York: United Nations.
Harvard
United Nations. Department of Economic and Social Affairs, . (1957). Report on a co-ordinated policy regarding family levels of living. New York: United Nations.
MLA
United Nations. Department of Economic and Social Affairs, . Report on a co-ordinated policy regarding family levels of living. New York: United Nations. 1957.