APA aipamena

United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. (1995). The Challenge of urbanization: The world?s large cities. United Nations.

Chicago Style aipamena

United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. The Challenge of Urbanization: The World?s Large Cities. New York: United Nations, 1995.

MLA aipamena

United Nations. Department for Economic and Social Information and Policy Analysis. Population Division. The Challenge of Urbanization: The World?s Large Cities. United Nations, 1995.