Cita APA (7a ed.)
Programme, U. N. E. (2012). Sahel Atlas of Changing Landscapes: Tracing trends and variations in vegetation cover and soil condition. United Nations Environment Programme.
Cita Chicago Style (17a ed.)
Programme, United Nations Environment. Sahel Atlas of Changing Landscapes: Tracing Trends and Variations in Vegetation Cover and Soil Condition. United Nations Environment Programme, 2012.
Cita MLA (9a ed.)
Programme, United Nations Environment. Sahel Atlas of Changing Landscapes: Tracing Trends and Variations in Vegetation Cover and Soil Condition. United Nations Environment Programme, 2012.
Precaución: Estas citas no son 100% exactas.