Gómez-Gómez, F., & Torres-Sierra, H. (1988). Hydrology and effects of development on the water-table aquifer in the Vega Alta quadrangle, Puerto Rico. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGómez-Gómez, Fernando, and Heriberto Torres-Sierra. Hydrology and Effects of Development on the Water-table Aquifer in the Vega Alta Quadrangle, Puerto Rico. San Juan, Puerto Rico: U.S. Geological Survey, 1988.
MLA (9th ed.) CitationGómez-Gómez, Fernando, and Heriberto Torres-Sierra. Hydrology and Effects of Development on the Water-table Aquifer in the Vega Alta Quadrangle, Puerto Rico. U.S. Geological Survey, 1988.
Warning: These citations may not always be 100% accurate.