Cita APA

Hoek, E. 1., & Brown, E. T. (1980). Underground excavations in rock. London, England: Institution of Mining and Metallurgy.

Citación estilo Chicago

Hoek, Evert 1933-, y Edwin T. Brown. Underground Excavations in Rock. London, England: Institution of Mining and Metallurgy, 1980.

Cita MLA

Hoek, Evert 1933-, y Edwin T. Brown. Underground Excavations in Rock. London, England: Institution of Mining and Metallurgy, 1980.