APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1926). Preliminary index to river surveys made by the United States Geological Survey and other agencies. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Preliminary Index to River Surveys Made by the United States Geological Survey and Other Agencies. Washington: [publisher not identified], 1926.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Preliminary Index to River Surveys Made by the United States Geological Survey and Other Agencies. [publisher not identified], 1926.