APA (7th ed.) Citation

Chugh, Y. P., & Atri, A. (1990). Subsidence monitoring at a shallow partial extraction room-and-pillar mine in midwestern United States. Illinois Mine Subsidence Research Program, Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Chugh, Yoginder P., and Anil Atri. Subsidence Monitoring at a Shallow Partial Extraction Room-and-pillar Mine in Midwestern United States. Champaign, Ill.: Illinois Mine Subsidence Research Program, Illinois State Geological Survey, 1990.

MLA (9th ed.) Citation

Chugh, Yoginder P., and Anil Atri. Subsidence Monitoring at a Shallow Partial Extraction Room-and-pillar Mine in Midwestern United States. Illinois Mine Subsidence Research Program, Illinois State Geological Survey, 1990.