MLA

Balzer, Karsten, and Michael Bonitz. Nonequilibrium Green's Functions Approach to Inhomogeneous Systems. Springer Berlin Heidelberg, 2013.

APA

Balzer, K., & Bonitz, M. (2013). Nonequilibrium Green's Functions Approach to Inhomogeneous Systems. Springer Berlin Heidelberg.

Chicago

Balzer, Karsten, and Michael Bonitz. Nonequilibrium Green's Functions Approach to Inhomogeneous Systems. : Springer Berlin Heidelberg, 2013.