APA Style

SACHSE, A. et al (2015). OpenGeoSys-Tutorial: Computational Hydrology I: Groundwater Flow Modeling (1). Switzerland: Springer Cham.

MLA Style

SACHSE, Agnes. et al. "OpenGeoSys-Tutorial: Computational Hydrology I: Groundwater Flow Modeling". 1 Switzerland: Springer Cham, 2015. Text.