APA (7th ed.) Citation

Eakin, H. M. (1914). The Iditarod-Ruby region, Alaska. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Eakin, Henry M. The Iditarod-Ruby Region, Alaska. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1914.

MLA (9th ed.) Citation

Eakin, Henry M. The Iditarod-Ruby Region, Alaska. Department of the Interior, United States Geological Survey, 1914.