APA (7th ed.) Citation

Duncan, J. M., & Wright, S. G. (2005). Soil strength and slope stability (1a. ed.). John Wiley and Sons.

Chicago Style (17th ed.) Citation

Duncan, J. Michael, and Stephen G. Wright. Soil Strength and Slope Stability. 1a. ed. Hoboken: John Wiley and Sons, 2005.

MLA (9th ed.) Citation

Duncan, J. Michael, and Stephen G. Wright. Soil Strength and Slope Stability. 1a. ed. John Wiley and Sons, 2005.