APA (7th ed.) Citation

Sharp, A. A., & Look, A. D. (1950). Safety practices in churn drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Sharp, Alan A., and Allen D. Look. Safety Practices in Churn Drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz. [Washington, D.C.?]: Dept. of the Interior, Bureau of Mines, 1950.

MLA (9th ed.) Citation

Sharp, Alan A., and Allen D. Look. Safety Practices in Churn Drilling at Morenci Branch, Phelps Dodge Corp, Morenci, Ariz. Dept. of the Interior, Bureau of Mines, 1950.