APA (7th ed.) Citation

Weir, J. E., & Nelson, J. W. (1976). Operation and maintenance of a deep-well water-level measurement device, the Iron Horse. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Weir, J. E., and J. W. Nelson. Operation and Maintenance of a Deep-well Water-level Measurement Device, the Iron Horse. [Denver, Colorado?]: U.S. Geological Survey, 1976.

MLA (9th ed.) Citation

Weir, J. E., and J. W. Nelson. Operation and Maintenance of a Deep-well Water-level Measurement Device, the Iron Horse. U.S. Geological Survey, 1976.