APA (7th ed.) Citation

Neteler, M., & Mitasova, H. (2003). Open source GIS: A grass GIS approach. Kluwer Academic Publishers.

Chicago Style (17th ed.) Citation

Neteler, Markus, and Helena Mitasova. Open Source GIS: A Grass GIS Approach. Boston: Kluwer Academic Publishers, 2003.

MLA (9th ed.) Citation

Neteler, Markus, and Helena Mitasova. Open Source GIS: A Grass GIS Approach. Kluwer Academic Publishers, 2003.