APA (7th ed.) Citation

Rankl, J. G., & Lowry, M. E. (1990). Ground-water-flow systems in the Powder River structural basin, Wyoming and Montana. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Rankl, James G., and Marlin E. Lowry. Ground-water-flow Systems in the Powder River Structural Basin, Wyoming and Montana. Cheyenne, Wyo.: U.S. Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Rankl, James G., and Marlin E. Lowry. Ground-water-flow Systems in the Powder River Structural Basin, Wyoming and Montana. U.S. Dept. of the Interior, U.S. Geological Survey, 1990.