APA (7th ed.) Citation

Geological Survey (U.S.) & Parkhurst, D. L. (2004). PHAST--a program for simulating ground-water flow, solute transport, and multicomponent geochemical reactions. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and David L. Parkhurst. PHAST--a Program for Simulating Ground-water Flow, Solute Transport, and Multicomponent Geochemical Reactions. Denver, Colo.: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

Geological Survey (U.S.) and David L. Parkhurst. PHAST--a Program for Simulating Ground-water Flow, Solute Transport, and Multicomponent Geochemical Reactions. U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

Warning: These citations may not always be 100% accurate.