Johnson, A. W., & Sallberg, J. R. (1962). Factors influencing compaction test results. National Academy of Sciences, National Research Council.
Chicago Style (17th ed.) CitationJohnson, Alfred Walton, and John R. Sallberg. Factors Influencing Compaction Test Results. Washington: National Academy of Sciences, National Research Council, 1962.
MLA (9th ed.) CitationJohnson, Alfred Walton, and John R. Sallberg. Factors Influencing Compaction Test Results. National Academy of Sciences, National Research Council, 1962.
Warning: These citations may not always be 100% accurate.