MLA

Leitner, Walter, and Markus Hölscher. Regulated Systems for Multiphase Catalysis. Springer Berlin Heidelberg, 2008.

APA

Leitner, W., & Hölscher, M. (2008). Regulated Systems for Multiphase Catalysis. Springer Berlin Heidelberg.

Chicago

Leitner, Walter, Markus Hölscher, and Markus Hölscher. Regulated Systems for Multiphase Catalysis. : Springer Berlin Heidelberg, 2008.