Puls, R. W., & Barcelona, M. J. (1989). Ground water sampling for metals analyses. United States Environmental Protection Agency, Office of Research and Development, Office of Solid Waste and Emergency Response : Superfund Technology Support Centers for Ground Water, Robert S. Kerr Environmental Research Laboratory.
Chicago Style (17th ed.) CitationPuls, Robert W., and Michael J. Barcelona. Ground Water Sampling for Metals Analyses. [Ada, Okla.]: United States Environmental Protection Agency, Office of Research and Development, Office of Solid Waste and Emergency Response : Superfund Technology Support Centers for Ground Water, Robert S. Kerr Environmental Research Laboratory, 1989.
MLA (9th ed.) CitationPuls, Robert W., and Michael J. Barcelona. Ground Water Sampling for Metals Analyses. United States Environmental Protection Agency, Office of Research and Development, Office of Solid Waste and Emergency Response : Superfund Technology Support Centers for Ground Water, Robert S. Kerr Environmental Research Laboratory, 1989.