APA (7th ed.) Citation

Geological Survey (U.S.). (1935). Recent mineral developments in Copper River region, Alaska. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Recent Mineral Developments in Copper River Region, Alaska. [Washington]: [s.n.], 1935.

MLA (9th ed.) Citation

Geological Survey (U.S.). Recent Mineral Developments in Copper River Region, Alaska. [s.n.], 1935.