APA (7th ed.) Citation

Peckenpaugh, J. M., & Dugan, J. T. (1984). Hydrogeology of parts of the Central Platte and Lower Loup natural resources districts, Nebraska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Peckenpaugh, J. M., and Jack T. Dugan. Hydrogeology of Parts of the Central Platte and Lower Loup Natural Resources Districts, Nebraska. Lincoln, Nebraska: U.S. Geological Survey, 1984.

MLA (9th ed.) Citation

Peckenpaugh, J. M., and Jack T. Dugan. Hydrogeology of Parts of the Central Platte and Lower Loup Natural Resources Districts, Nebraska. U.S. Geological Survey, 1984.