Cita APA (7a ed.)

DeMers, M. N. (2009). Fundamentals of geographic information systems (4a. ed.). John Wiley and Sons.

Cita Chicago Style (17a ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. 4a. ed. Hoboken: John Wiley and Sons, 2009.

Cita MLA (9a ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. 4a. ed. John Wiley and Sons, 2009.