Schults, J. R. (1955). Geology in engineering. John Weley.
Cita Chicago Style (17a ed.)Schults, John R. Geology in Engineering. New York: John Weley, 1955.
Cita MLA (9a ed.)Schults, John R. Geology in Engineering. John Weley, 1955.
Precaución: Estas citas no son 100% exactas.