APA
United Nation International Economic and Social Affairs, United Nation International Economic and Social Affairs, . (1982). Projection of urban rural and city Population 1950-2025. New York: UN USA.
Chicago
United Nation International Economic and Social Affairs, United Nation International Economic and Social Affairs, . 1982. Projection of urban rural and city Population 1950-2025. New York: UN USA.
Harvard
United Nation International Economic and Social Affairs, United Nation International Economic and Social Affairs, . (1982). Projection of urban rural and city Population 1950-2025. New York: UN USA.
MLA
United Nation International Economic and Social Affairs, United Nation International Economic and Social Affairs, . Projection of urban rural and city Population 1950-2025. New York: UN USA. 1982.