Cita APA (7th ed.)

Grinderud, K., Rasmussen, H., Nilsen, S., Lillethun, A., Holten, A., & Sanderud, O. (2009). GIS: The geographic language of our age. Tapir Academic Press.

Cita Chicago (17th ed.)

Grinderud, Knut, Haakon Rasmussen, Steinar Nilsen, Arvid Lillethun, Atle Holten, i Oystein Sanderud. GIS: The Geographic Language of Our Age. Trondheim: Tapir Academic Press, 2009.

Cita MLA (9th ed.)

Grinderud, Knut, et al. GIS: The Geographic Language of Our Age. Tapir Academic Press, 2009.