Legget, R. (1967). Geology And Engineering. McGraw-Hill.
Cita Chicago Style (17a ed.)Legget, Robert. Geology And Engineering. USA, New York: McGraw-Hill, 1967.
Cita MLA (9a ed.)Legget, Robert. Geology And Engineering. McGraw-Hill, 1967.
Precaución: Estas citas no son 100% exactas.