MLA

Gazzola, Filippo, Hans-Christoph Grunau, and Guido Sweers. Polyharmonic Boundary Value Problems. Springer Berlin Heidelberg, 2010.

APA

Gazzola, F., Grunau, H., & Sweers, G. (2010). Polyharmonic Boundary Value Problems. Springer Berlin Heidelberg.

Chicago

Gazzola, Filippo, Hans-Christoph Grunau, and Guido Sweers. Polyharmonic Boundary Value Problems. : Springer Berlin Heidelberg, 2010.