Essaid, H. I. (1990). The computer model SHARP, a quasi-three-dimensional finite-difference model to simulate freshwater and saltwater flow in layered coastal aquifer systems. U.S. Geological Survey.
Chicago Style (17th ed.) CitationEssaid, Hedeff I. The Computer Model SHARP, a Quasi-three-dimensional Finite-difference Model to Simulate Freshwater and Saltwater Flow in Layered Coastal Aquifer Systems. Menlo Park, California: U.S. Geological Survey, 1990.
MLA (9th ed.) CitationEssaid, Hedeff I. The Computer Model SHARP, a Quasi-three-dimensional Finite-difference Model to Simulate Freshwater and Saltwater Flow in Layered Coastal Aquifer Systems. U.S. Geological Survey, 1990.
Warning: These citations may not always be 100% accurate.