APA (7th ed.) Citation

Duncan, N. (1969). Engineering geology and rock mechanics / by Neil Duncan. Hill.

Chicago Style (17th ed.) Citation

Duncan, Neil. Engineering Geology and Rock Mechanics / by Neil Duncan. Hill, 1969.

MLA (9th ed.) Citation

Duncan, Neil. Engineering Geology and Rock Mechanics / by Neil Duncan. Hill, 1969.

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