APA (7th ed.) Citation

Center, N. S. a. I. D. Permafrost Map of Alaska, USA, Version 1. National Snow and Ice Data Center (NSIDC).

Chicago Style (17th ed.) Citation

Center, National Snow and Ice Data. Permafrost Map of Alaska, USA, Version 1. National Snow and Ice Data Center (NSIDC).

MLA (9th ed.) Citation

Center, National Snow and Ice Data. Permafrost Map of Alaska, USA, Version 1. National Snow and Ice Data Center (NSIDC).

Warning: These citations may not always be 100% accurate.