Geological Survey (U.S.) & Zaugg, S. D. (2002). Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory: Determination of wastewater compounds by polystyrene-divinylbenzene solid-phase extraction and capillary-column gas chromatography/mass spectrometry. National Water Quality Laboratory, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Steven D. Zaugg. Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory: Determination of Wastewater Compounds by Polystyrene-divinylbenzene Solid-phase Extraction and Capillary-column Gas Chromatography/mass Spectrometry. Denver, CO: National Water Quality Laboratory, U.S. Geological Survey, 2002.
MLA (9th ed.) CitationGeological Survey (U.S.) and Steven D. Zaugg. Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory: Determination of Wastewater Compounds by Polystyrene-divinylbenzene Solid-phase Extraction and Capillary-column Gas Chromatography/mass Spectrometry. National Water Quality Laboratory, U.S. Geological Survey, 2002.