MLA

Köhl, Michael, et al. Sampling Methods, Remote Sensing and Gis Multiresource Forest Inventory. Springer Berlin Heidelberg, 2006.

APA

Köhl, M., Magnussen, S., Magnussen, S. S, & Marchetti, M. (2006). Sampling Methods, Remote Sensing and GIS Multiresource Forest Inventory. Springer Berlin Heidelberg.

Chicago

Köhl, Michael, Michael Köhl, Steen Magnussen, Steen S Magnussen, and Marco Marchetti. Sampling Methods, Remote Sensing and GIS Multiresource Forest Inventory. : Springer Berlin Heidelberg, 2006.