APA (7th ed.) Citation

Hill, M. C. (1990). Preconditioned Conjugate-Gradient 2 (PCG2), a computer program for solving ground-water flow equations. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hill, Mary Catherine. Preconditioned Conjugate-Gradient 2 (PCG2), a Computer Program for Solving Ground-water Flow Equations. Denver, Colo.: Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Hill, Mary Catherine. Preconditioned Conjugate-Gradient 2 (PCG2), a Computer Program for Solving Ground-water Flow Equations. Dept. of the Interior, U.S. Geological Survey, 1990.