Cita APA (7a ed.)

Neteler, M., & Mitasova, H. (2007). Open Source Gis: : A Grass Gis Approach. Springer Verlag.

Cita Chicago Style (17a ed.)

Neteler, Markus, y Helena Mitasova. Open Source Gis: : A Grass Gis Approach. New York: Springer Verlag, 2007.

Cita MLA (9a ed.)

Neteler, Markus, y Helena Mitasova. Open Source Gis: : A Grass Gis Approach. Springer Verlag, 2007.