APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1904). Professional paper No. 41. Department of the Interior. United States Geological Survey, Charles D. Walcott, Director. Geology of the Central Copper River Region, Alaska. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper No. 41. Department of the Interior. United States Geological Survey, Charles D. Walcott, Director. Geology of the Central Copper River Region, Alaska. Washington: [publisher not identified], 1904.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Professional Paper No. 41. Department of the Interior. United States Geological Survey, Charles D. Walcott, Director. Geology of the Central Copper River Region, Alaska. [publisher not identified], 1904.