MLA

Hölting, and Wilhelm G Coldewey. Hydrogeology. Springer Berlin Heidelberg, 2019.

APA

Hölting, H., & Coldewey, W. G. (2019). Hydrogeology. Springer Berlin Heidelberg.

Chicago

Hölting, and Wilhelm G Coldewey. Hydrogeology. : Springer Berlin Heidelberg, 2019.