APA (7th ed.) Citation

Rocky Mountain Association of Geologists & Fentress, G. (1958). Stratigraphic cross section of paleozoic rocks in eastern Colorado. Rocky Mountain Association of Geologists.

Chicago Style (17th ed.) Citation

Rocky Mountain Association of Geologists and George Fentress. Stratigraphic Cross Section of Paleozoic Rocks in Eastern Colorado. Denver: Rocky Mountain Association of Geologists, 1958.

MLA (9th ed.) Citation

Rocky Mountain Association of Geologists and George Fentress. Stratigraphic Cross Section of Paleozoic Rocks in Eastern Colorado. Rocky Mountain Association of Geologists, 1958.