APA (7th ed.) Citation

Clark, G. B. (1982). Principles of rock drilling and bit wear. Colorado School of Mines.

Chicago Style (17th ed.) Citation

Clark, George Bromley. Principles of Rock Drilling and Bit Wear. Golden, Colo.: Colorado School of Mines, 1982.

MLA (9th ed.) Citation

Clark, George Bromley. Principles of Rock Drilling and Bit Wear. Colorado School of Mines, 1982.