Zaugg, S. D., Smith, S. G., & Schroeder, M. P. (2006). Determination of wastewater compounds in whole water by continuous liquid-liquid extraction and capillary-column gas chromatography/mass spectrometry (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationZaugg, Steven D., Steven G. Smith, and Michael P. Schroeder. Determination of Wastewater Compounds in Whole Water by Continuous Liquid-liquid Extraction and Capillary-column Gas Chromatography/mass Spectrometry. Version 1.0. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
MLA (9th ed.) CitationZaugg, Steven D., et al. Determination of Wastewater Compounds in Whole Water by Continuous Liquid-liquid Extraction and Capillary-column Gas Chromatography/mass Spectrometry. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2006.