APA (7th ed.) Citation

Williamson, T. N. (1965). Hard rock tunnel driving. Mining Engineering, 17, 147.

Chicago Style (17th ed.) Citation

Williamson, T. N. "Hard Rock Tunnel Driving." Mining Engineering 17 (1965): 147.

MLA (9th ed.) Citation

Williamson, T. N. "Hard Rock Tunnel Driving." Mining Engineering, vol. 17, 1965, p. 147.

Warning: These citations may not always be 100% accurate.