APA (7th ed.) Citation

Geological Survey (U.S.) & Dunrud, C. R. (1989). Geologic map and coal stratigraphic framework of the Cedaredge area, Delta County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and C. Richard Dunrud. Geologic Map and Coal Stratigraphic Framework of the Cedaredge Area, Delta County, Colorado. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.) and C. Richard Dunrud. Geologic Map and Coal Stratigraphic Framework of the Cedaredge Area, Delta County, Colorado. The Survey, 1989.