APA (7th ed.) Citation

Hack, J. T. (1982). Physiographic divisions and differential uplift in the Piedmont and Blue Ridge. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Hack, John T. Physiographic Divisions and Differential Uplift in the Piedmont and Blue Ridge. Washington: United States Department of the Interior, Geological Survey, 1982.

MLA (9th ed.) Citation

Hack, John T. Physiographic Divisions and Differential Uplift in the Piedmont and Blue Ridge. United States Department of the Interior, Geological Survey, 1982.