APA

Appel C. A., Reilly T. E., . (1994). Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994. Washington, D.C: U.S. G.P.O.

Chicago

Appel Charles A, Reilly Thomas E, . 1994. Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994. Washington, D.C: U.S. G.P.O.

Harvard

Appel C. A., Reilly T. E., . (1994). Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994. Washington, D.C: U.S. G.P.O.

MLA

Appel Charles A, Reilly Thomas E, . Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994. Washington, D.C: U.S. G.P.O. 1994.