Miller, R. E., Hazard, J. W., & Howes, S. (2001). Precision, accuracy, and efficiency of four tools for measuring soil bulk density or strength. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationMiller, Richard E., John W. Hazard, and Steven Howes. Precision, Accuracy, and Efficiency of Four Tools for Measuring Soil Bulk Density or Strength. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2001.
MLA (9th ed.) CitationMiller, Richard E., et al. Precision, Accuracy, and Efficiency of Four Tools for Measuring Soil Bulk Density or Strength. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2001.
Warning: These citations may not always be 100% accurate.