United Nations (Estados Unidos), & Department for Economic and Social Information and Policy Analysis Population Division. (1995). The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations.
Chicago Style CitationUnited Nations (Estados Unidos), and Department for Economic and Social Information and Policy Analysis Population Division. The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations, 1995.
MLA CitationUnited Nations (Estados Unidos), and Department for Economic and Social Information and Policy Analysis Population Division. The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations, 1995.
Warning: These citations may not always be 100% accurate.