MLA

McInerney, Daniel, and Pieter Kempeneers. Open Source Geospatial Tools. Springer International Publishing, 2015.

APA

McInerney, D., & Kempeneers, P. (2015). Open Source Geospatial Tools. Springer International Publishing.

Chicago

McInerney, Daniel, and Pieter Kempeneers. Open Source Geospatial Tools. : Springer International Publishing, 2015.