Lee, E. A., & Strahan, A. P. (2003). Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of acetamide herbicides and their degradation products in water using online solid-phase extraction and liquid chromatography/mass spectrometry. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationLee, E. A., and A. P. Strahan. Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of Acetamide Herbicides and Their Degradation Products in Water Using Online Solid-phase Extraction and Liquid Chromatography/mass Spectrometry. Lawrence, Kan.: U.S. Dept. of the Interior, U.S. Geological Survey, 2003.
MLA (9th ed.) CitationLee, E. A., and A. P. Strahan. Methods of Analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of Acetamide Herbicides and Their Degradation Products in Water Using Online Solid-phase Extraction and Liquid Chromatography/mass Spectrometry. U.S. Dept. of the Interior, U.S. Geological Survey, 2003.