APA (7th ed.) Citation

NetLibrary, Inc, National Research Council Canada, Wilson, G. W., Clifton, A. W., & Barbour, S. L. (1999). The Emergence of unsaturated soil mechanics. NRC Research Press.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, National Research Council Canada, G. Ward Wilson, A. W. Clifton, and S. L. Barbour. The Emergence of Unsaturated Soil Mechanics. Ottawa: NRC Research Press, 1999.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. The Emergence of Unsaturated Soil Mechanics. NRC Research Press, 1999.