APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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