APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1922). Mineral resources of Alaska. Report on progress of investigations in 1920. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Mineral Resources of Alaska. Report on Progress of Investigations in 1920. Washington: [publisher not identified], 1922.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Mineral Resources of Alaska. Report on Progress of Investigations in 1920. [publisher not identified], 1922.

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