Cita APA (7a ed.)

United Nations. Development Programme. (1991). Cities, people and poverty. Urban development cooperation for the 1990s.

Cita Chicago Style (17a ed.)

United Nations. Development Programme. Cities, People and Poverty. Urban Development Cooperation for the 1990s. USA, New York, 1991.

Cita MLA (9a ed.)

United Nations. Development Programme. Cities, People and Poverty. Urban Development Cooperation for the 1990s. 1991.