APA
United Nations. Department of Economic and Social Affairs, . (1955). The quest for freer trade. New York: United Nations.
Chicago
United Nations. Department of Economic and Social Affairs, . 1955. The quest for freer trade. New York: United Nations.
Harvard
United Nations. Department of Economic and Social Affairs, . (1955). The quest for freer trade. New York: United Nations.
MLA
United Nations. Department of Economic and Social Affairs, . The quest for freer trade. New York: United Nations. 1955.