APA (7th ed.) Citation

Trimble, D. E. (1980). The geological story of the Great Plains: A nontechnical description of the origin and evolution of the landscape of the Great Plains. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Trimble, Donald E. The Geological Story of the Great Plains: A Nontechnical Description of the Origin and Evolution of the Landscape of the Great Plains. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1980.

MLA (9th ed.) Citation

Trimble, Donald E. The Geological Story of the Great Plains: A Nontechnical Description of the Origin and Evolution of the Landscape of the Great Plains. United States Department of the Interior, Geological Survey, 1980.