Cita APA (7a ed.)

DeMers, M. N. (2009). Fundamentals of geographic information systems (Forth edition.). Wiley.

Cita Chicago Style (17a ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. Forth edition. Hoboken, NJ ; India: Wiley, 2009.

Cita MLA (8a ed.)

DeMers, Michael N. Fundamentals of Geographic Information Systems. Forth edition. Wiley, 2009.