Cita APA (7th ed.)

DeMers, M. N. (2005). Fundamentals of geographic information systems (3rd ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. 3rd ed. New York: John Wiley & Sons, 2005.

Cita MLA (9th ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. 3rd ed. John Wiley & Sons, 2005.