APA (7th ed.) Citation

Hoek, E., & Brown, E. T. (1980). Underground excavations in rock. Institution of Mining and Metallurgy.

Chicago Style (17th ed.) Citation

Hoek, Evert, and Edwin T. Brown. Underground Excavations in Rock. London: Institution of Mining and Metallurgy, 1980.

MLA (9th ed.) Citation

Hoek, Evert, and Edwin T. Brown. Underground Excavations in Rock. Institution of Mining and Metallurgy, 1980.