Lopez Sepulveda, H. J. (1984). Environmental isotope and geochemical investigation of groundwater in Big Bend National Park, Texas. [publisher not identified].
Chicago Style (17th ed.) CitationLopez Sepulveda, Hector Javier. Environmental Isotope and Geochemical Investigation of Groundwater in Big Bend National Park, Texas. [Place of publication not identified]: [publisher not identified], 1984.
MLA (9th ed.) CitationLopez Sepulveda, Hector Javier. Environmental Isotope and Geochemical Investigation of Groundwater in Big Bend National Park, Texas. [publisher not identified], 1984.
Warning: These citations may not always be 100% accurate.