Imhoff, E. A., Friz, T. O., & LaFevers, J. R. (1976). A guide to state programs for the reclamation of surface mined areas. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationImhoff, Edgar A., Thomas O. Friz, and James R. LaFevers. A Guide to State Programs for the Reclamation of Surface Mined Areas. Washington, D.C.: United States Department of the Interior, Geological Survey, 1976.
MLA (9th ed.) CitationImhoff, Edgar A., et al. A Guide to State Programs for the Reclamation of Surface Mined Areas. United States Department of the Interior, Geological Survey, 1976.
Warning: These citations may not always be 100% accurate.