Cita APA (7a ed.)
Duncan, M. J., & Wright, S. G. (2005). Soil Strength and Slope Stability. John Wiley & Sons, Inc..
Cita Chicago Style (17a ed.)
Duncan, Michael J., y Stephen G. Wright. Soil Strength and Slope Stability. Hoboken: John Wiley & Sons, Inc., 2005.
Cita MLA (9a ed.)
Duncan, Michael J., y Stephen G. Wright. Soil Strength and Slope Stability. John Wiley & Sons, Inc., 2005.
Precaución: Estas citas no son 100% exactas.