APA (7th ed.) Citation

Dugan, J. T., & Zelt, R. B. (2000). Simulation and analysis of soil-water conditions in the Great Plains and adjacent areas, Central United Sates, 1951-80. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Dugan, Jack T., and Ronald B. Zelt. Simulation and Analysis of Soil-water Conditions in the Great Plains and Adjacent Areas, Central United Sates, 1951-80. Reston, Virginia: U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Dugan, Jack T., and Ronald B. Zelt. Simulation and Analysis of Soil-water Conditions in the Great Plains and Adjacent Areas, Central United Sates, 1951-80. U.S. Geological Survey, 2000.

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