APA (7th ed.) Citation

Hodder, R. W. (1971). Mining and exploration. Mining Engineering, 23, 128.

Chicago Style (17th ed.) Citation

Hodder, R. W. "Mining and Exploration." Mining Engineering 23 (1971): 128.

MLA (9th ed.) Citation

Hodder, R. W. "Mining and Exploration." Mining Engineering, vol. 23, 1971, p. 128.