Using the graphics and referring to them is encouraged, and please use them in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include this link:
http://maps.grida.no/go/graphic/trends-in-permafrost-temperat
ures-during-the-last-23-to-28-years-in-northern-alaska

Please give the cartographer/designer/author credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal) and give full recognition to the data sources used in the graphic.

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Here are some suggestions for the the proper citation, in a number of styles that can just be copied and pasted into any documents. This is based on the template provided by Wikipedia. For reference to any printed material, please see the details of the collection or collections this graphic is published in, which may be published in paper format.

• APA style

  Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska. (June 2007). In UNEP/GRID-Arendal Maps and Graphics Library. Retrieved 10:56, February 9, 2012 from http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska.

• MLA style

  "Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska." UNEP/GRID-Arendal Maps and Graphics Library. June 2007. UNEP/GRID-Arendal. 9 Feb 2012 <http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska>.

• MHRA style

  UNEP/GRID-Arendal, 'Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska', UNEP/GRID-Arendal Maps and Graphics Library, June 2007, <http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska> [Accessed 9 February 2012]

• Chicago style

  UNEP/GRID-Arendal, Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska, UNEP/GRID-Arendal Maps and Graphics Library, http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska (Accessed 9 February 2012)

• CBE/CSE style

  UNEP/GRID-Arendal. Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska [Internet]. UNEP/GRID-Arendal Maps and Graphics Library; June 2007 [cited 2012 Feb 9]. Available from: http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska.

• Bluebook style

  Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska, http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska (Last visited February 9, 2012).

• Bluebook: Harvard JOLT style

  See UNEP/GRID Arendal Maps and Graphics Library, Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska, http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska (Optional description here) (as of Feb. 9, 2012, 09:56 UTC).

• AMA style

  UNEP/GRID-Arendal. Trends in permafrost temperatures during the last 23 to 28 years in northern Alaska. UNEP/GRID-Arendal Maps and Graphics Library. June 2007. Available at: http://maps.grida.no/go/graphic/trends-in-permafrost-temperatures-during-the-last-23-to-28-years-in-northern-alaska. Accessed February 09, 2012.