MLA

Gustafsson, Bertil, and R. L Graham. High Order Difference Methods for Time Dependent Pde. Springer Berlin Heidelberg, 2008.

APA

Gustafsson, B., & Graham, R. L. (2008). High Order Difference Methods for Time Dependent PDE. Springer Berlin Heidelberg.

Chicago

Gustafsson, Bertil, and R. L Graham. High Order Difference Methods for Time Dependent PDE. : Springer Berlin Heidelberg, 2008.