APA (7th ed.) Citation

Hodgeson, J. W. (1997). Method 549.2: Determination of diquat and paraquat in drinking water by liquid-solid extraction and high performance liquid chromatography with ultraviolet detection (Revision 1.0.). United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory.

Chicago Style (17th ed.) Citation

Hodgeson, J. W. Method 549.2: Determination of Diquat and Paraquat in Drinking Water by Liquid-solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection. Revision 1.0. [Cincinnati, Ohio]: United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, 1997.

MLA (9th ed.) Citation

Hodgeson, J. W. Method 549.2: Determination of Diquat and Paraquat in Drinking Water by Liquid-solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection. Revision 1.0. United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, 1997.