Jackson, C. F., & Knaebel, J. B. (1932). Sampling and estimation of ore deposits. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationJackson, Charles F., and John Ballantine Knaebel. Sampling and Estimation of Ore Deposits. [Washington?]: U.S. Government Printing Office, 1932.
MLA (9th ed.) CitationJackson, Charles F., and John Ballantine Knaebel. Sampling and Estimation of Ore Deposits. U.S. Government Printing Office, 1932.
Warning: These citations may not always be 100% accurate.