Open Source GIS

MLA

Neteler, Markus, and Helena Mitasova. Open Source Gis. Springer US, 2008.

APA

Neteler, M., & Mitasova, H. (2008). Open Source GIS. Springer US.

Chicago

Neteler, Markus, and Helena Mitasova. Open Source GIS. : Springer US, 2008.