APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1926). Bulletin 779. Guides to ore in the Leadville district, Colorado. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Bulletin 779. Guides to Ore in the Leadville District, Colorado. Washington: [publisher not identified], 1926.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Bulletin 779. Guides to Ore in the Leadville District, Colorado. [publisher not identified], 1926.

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