MLA

Schanz, T, and Tom Schanz. Theoretical and Numerical Unsaturated Soil Mechanics. Springer Berlin Heidelberg, 2007.

APA

Schanz, T.Schanz, T. (2007). Theoretical and Numerical Unsaturated Soil Mechanics. Springer Berlin Heidelberg.

Chicago

Schanz, T., and Tom Schanz. Theoretical and Numerical Unsaturated Soil Mechanics. : Springer Berlin Heidelberg, 2007.