To cite The IUCN Red List of Ecosystems use the following format, changing the download dates where appropriate:

CEM-IUCN & Provita. 2012. IUCN Red List of Ecosystems. The Comission on Ecosystem Management (CEM) of International Union for Conservation of Nature (IUCN) and Provita, Caracas, Venezuela. http://cms.iucnrle.org [Downloaded on 21 September 2012].

 

To cite a specific case study, please use the citation that appears at the bottom of each case estudy. For example:

Zager, I., Carrasquel, F., Garcia-Rawlins, A., Sucre, B. & Oliveira-Miranda, M.A. 2012. Evergreen Lowland Forest. Case study. IUCN Red List of Ecosystems. http://cms.iucnrle.org