APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1906). Geology and underground waters of the Arkansas Valley in eastern Colorado. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Geology and Underground Waters of the Arkansas Valley in Eastern Colorado. Washington: [publisher not identified], 1906.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Geology and Underground Waters of the Arkansas Valley in Eastern Colorado. [publisher not identified], 1906.

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