APA (7th ed.) Citation

Rad, P. F., & Olson, R. C. (1974). Tunneling machine research: Size distribution of rock fragments produced by rolling disk cutters. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Rad, Parviz F., and Richard C. Olson. Tunneling Machine Research: Size Distribution of Rock Fragments Produced by Rolling Disk Cutters. [Washington, DC]: U.S. Dept. of the Interior, Bureau of Mines, 1974.

MLA (8th ed.) Citation

Rad, Parviz F., and Richard C. Olson. Tunneling Machine Research: Size Distribution of Rock Fragments Produced by Rolling Disk Cutters. U.S. Dept. of the Interior, Bureau of Mines, 1974.