APA (7th ed.) Citation

Hoek, E., & Brown, E. T. (1990). Underground excavations in rock. E & FN Spon.

Chicago Style (17th ed.) Citation

Hoek, Evert, and E. T. Brown. Underground Excavations in Rock. London: E & FN Spon, 1990.

MLA (8th ed.) Citation

Hoek, Evert, and E. T. Brown. Underground Excavations in Rock. E & FN Spon, 1990.

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