Understanding natural systems : a perspective for land-use planning in Appalachian Kentucky

MLA

Newell, Wayne L. and Geological Survey (U.S.). Understanding natural systems : a perspective for land-use planning in Appalachian Kentucky. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978.

APA

Newell, W. & Geological Survey (U.S.). (1977). Understanding natural systems : a perspective for land-use planning in Appalachian Kentucky. [Washington, D.C.] : United States Department of the Interior, Geological Survey.

Chicago

Newell, Wayne L. and Geological Survey (U.S.). Understanding natural systems : a perspective for land-use planning in Appalachian Kentucky. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978.