Cita APA (7a ed.)

United Nations. (2006). United nations peace keeping: Meeting new challenges. United Nations.

Cita Chicago Style (17a ed.)

United Nations. United Nations Peace Keeping: Meeting New Challenges. New York: United Nations, 2006.

Cita MLA (9a ed.)

United Nations. United Nations Peace Keeping: Meeting New Challenges. United Nations, 2006.