Crock, J. G., Smith, D. B., & Yager, T. J. B. (2009). Analytical results for agricultural soils samples from a monitoring program near Deer Trail, Colorado (USA). U.S. Geological Survey.
Chicago Style (17th ed.) CitationCrock, J. G., D. B. Smith, and T. J. B. Yager. Analytical Results for Agricultural Soils Samples from a Monitoring Program Near Deer Trail, Colorado (USA). Reston, Va.: U.S. Geological Survey, 2009.
MLA (9th ed.) CitationCrock, J. G., et al. Analytical Results for Agricultural Soils Samples from a Monitoring Program Near Deer Trail, Colorado (USA). U.S. Geological Survey, 2009.
Warning: These citations may not always be 100% accurate.