Spiker, E. C., & Gori, P. L. (2003). National landslide hazards mitigation strategy. US Geological Survey circular 1244.
Chicago Style CitationSpiker, Elliott C., and Paula L. Gori. "National Landslide Hazards Mitigation Strategy." US Geological Survey Circular 1244 2003.
MLA CitationSpiker, Elliott C., and Paula L. Gori. "National Landslide Hazards Mitigation Strategy." US Geological Survey Circular 1244 2003.
Warning: These citations may not always be 100% accurate.