MLA

Andersen, Siig, et al. The Roskilde Model: Problem-oriented Learning and Project Work. Springer International Publishing, 2015.

APA

Andersen, S., Siig Andersen, A., Andersen, A. Siig, & Heilesen, S. B. (2015). The Roskilde Model: Problem-Oriented Learning and Project Work. Springer International Publishing.

Chicago

Andersen, Siig, Anders Siig Andersen, Anders Siig Andersen, and Simon B Heilesen. The Roskilde Model: Problem-Oriented Learning and Project Work. : Springer International Publishing, 2015.