Franklin

MLA

Extreme Alaska: Explore Beyond the Tourist Hotspots. [Washington, D.C.]: National Geographic , 2008.

APA

(2008). Extreme Alaska: explore beyond the tourist hotspots. [Washington, D.C.]: National Geographic .

Chicago

Extreme Alaska: Explore Beyond the Tourist Hotspots. , Denali National Park. [Washington, D.C.]: National Geographic, 2008.