Helsel, D. R., & Hirsch, R. M. (1992). Statistical methods in water resources / D.R. Helsel and R.M. Hirsch. Elsevier.
Chicago Style (17th ed.) CitationHelsel, D. R., and R. M. Hirsch. Statistical Methods in Water Resources / D.R. Helsel and R.M. Hirsch. Amsterdam ; London: Elsevier, 1992.
MLA (9th ed.) CitationHelsel, D. R., and R. M. Hirsch. Statistical Methods in Water Resources / D.R. Helsel and R.M. Hirsch. Elsevier, 1992.
Warning: These citations may not always be 100% accurate.