APA (7th ed.) Citation

Helsel, D. R., & Gilliom, R. J. (1985). Estimation of distributional parameters for censored trace-level water-quality data. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Helsel, Dennis R., and Robert J. Gilliom. Estimation of Distributional Parameters for Censored Trace-level Water-quality Data. Reston, Va.: U.S. Dept. of the Interior, Geological Survey, 1985.

MLA (9th ed.) Citation

Helsel, Dennis R., and Robert J. Gilliom. Estimation of Distributional Parameters for Censored Trace-level Water-quality Data. U.S. Dept. of the Interior, Geological Survey, 1985.