APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1927). Geology of the upper Matanuska Valley, Alaska. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Geology of the Upper Matanuska Valley, Alaska. Washington: [publisher not identified], 1927.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Geology of the Upper Matanuska Valley, Alaska. [publisher not identified], 1927.

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