APA (7th ed.) Citation

Thorogood, J. L., Hogg, T. W., & Williamson, H. S. (1991). Application of risk analysis methods to subsurface well collisions. SPE Drilling Engineering, 6, 299. https://doi.org/10.2118/23941-PA

Chicago Style (17th ed.) Citation

Thorogood, J. L., T. W. Hogg, and H. S. Williamson. "Application of Risk Analysis Methods to Subsurface Well Collisions." SPE Drilling Engineering 6 (1991): 299. https://doi.org/10.2118/23941-PA.

MLA (9th ed.) Citation

Thorogood, J. L., et al. "Application of Risk Analysis Methods to Subsurface Well Collisions." SPE Drilling Engineering, vol. 6, 1991, p. 299, https://doi.org/10.2118/23941-PA.