APA (7th ed.) Citation
Rad, P. F., & Olson, R. C. (1974). Tunneling Machine Research: Size distribution of rock fragments produced by rolling disk cutters. 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: Bureau of Mines, 1974.
MLA (9th ed.) Citation
Rad, Parviz F., and Richard C. Olson. Tunneling Machine Research: Size Distribution of Rock Fragments Produced by Rolling Disk Cutters. Bureau of Mines, 1974.
Warning: These citations may not always be 100% accurate.