Cita APA (7a ed.)

United Nations Environment Programme. (2007). Climate action 2007. UNEP Sustainable Development International.

Cita Chicago Style (17a ed.)

United Nations Environment Programme. Climate Action 2007. London, England: UNEP Sustainable Development International, 2007.

Cita MLA (9a ed.)

United Nations Environment Programme. Climate Action 2007. UNEP Sustainable Development International, 2007.