United Nations Environment Programme. UNEP Year Book 2010: New Science and Developments in Our Changing Environment. Nairobi, Kenya. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc28579/. Accessed December 5, 2013.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.