APA (7th ed.) Citation

Land, L. F., & Armstrong, C. A. (1985). A preliminary assessment of land-surface subsidence in the El Paso area, Texas. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Land, Larry F., and C. A. Armstrong. A Preliminary Assessment of Land-surface Subsidence in the El Paso Area, Texas. Austin, Texas: U.S. Geological Survey, 1985.

MLA (9th ed.) Citation

Land, Larry F., and C. A. Armstrong. A Preliminary Assessment of Land-surface Subsidence in the El Paso Area, Texas. U.S. Geological Survey, 1985.