Hem, J. D. (1970). Study and interpretation of the chemical characteristics of natural water (Second Edition.). United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationHem, John David. Study and Interpretation of the Chemical Characteristics of Natural Water. Second Edition. Washington, D.C.: United States Department of the Interior, Geological Survey, 1970.
MLA (9th ed.) CitationHem, John David. Study and Interpretation of the Chemical Characteristics of Natural Water. Second Edition. United States Department of the Interior, Geological Survey, 1970.
Warning: These citations may not always be 100% accurate.