Energy & Western wildlands :
a GIS analysis of economically recoverable oil and gas /
by Pete Morton, Chris Weller, and Janice Thomson.

APA Citation

Morton, P., Thomson, J. E., Weller, C., Wilderness Society (U.S.). (2002). Energy & Western wildlands: a GIS analysis of economically recoverable oil and gas. [Washington, D.C.]: Wilderness Society.

MLA Citation

Morton, Pete, Janice E. Thomson, Christopher Weller, and Wilderness Society (U.S.). Energy & Western Wildlands: a GIS Analysis of Economically Recoverable Oil And Gas. [Washington, D.C.]: Wilderness Society, 2002.

Warning: These citations may not always be complete (especially for serials).