United States. National Park Service, Geological Survey (U.S.), Southwest Biological Science Center (U.S.), & Miller, M. E. (2007). Field evaluations of sampling methods for long-term monitoring of upland ecosystems on the Colorado Plateau (Version 1.0.). U.S. Geological Survey.
Chicago Style (17th ed.) CitationUnited States. National Park Service, Geological Survey (U.S.), Southwest Biological Science Center (U.S.), and Mark Eugene Miller. Field Evaluations of Sampling Methods for Long-term Monitoring of Upland Ecosystems on the Colorado Plateau. Version 1.0. Reston, Va.: U.S. Geological Survey, 2007.
MLA (9th ed.) CitationUnited States. National Park Service, et al. Field Evaluations of Sampling Methods for Long-term Monitoring of Upland Ecosystems on the Colorado Plateau. Version 1.0. U.S. Geological Survey, 2007.