APA (7th ed.) Citation

DeMers, M. N. (1997). Fundamentals of geographic information systems (3nd ed.). J.Wiley.

Chicago Style (17th ed.) Citation

DeMers, Michael N. Fundamentals of Geographic Information Systems. 3nd ed. New York: J.Wiley, 1997.

MLA (8th ed.) Citation

DeMers, Michael N. Fundamentals of Geographic Information Systems. 3nd ed. J.Wiley, 1997.