APA (7th ed.) Citation

Hanson, R. T. (1989). Aquifer-system compaction, Tucson Basin and Avra Valley, Arizona. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hanson, R. T. Aquifer-system Compaction, Tucson Basin and Avra Valley, Arizona. Tucson, Arizona: U.S. Geological Survey, 1989.

MLA (9th ed.) Citation

Hanson, R. T. Aquifer-system Compaction, Tucson Basin and Avra Valley, Arizona. U.S. Geological Survey, 1989.