APA
United Nations, . (1998). World economic and social survey, 1998: Trends and policies in the world economy. New York: United Nations.
Chicago
United Nations, . 1998. World economic and social survey, 1998: Trends and policies in the world economy. New York: United Nations.
Harvard
United Nations, . (1998). World economic and social survey, 1998: Trends and policies in the world economy. New York: United Nations.
MLA
United Nations, . World economic and social survey, 1998: Trends and policies in the world economy. New York: United Nations. 1998.