DeMers. (1997). Fundamentals of geographic information systems. John Wiley & Sons.
Chicago Style (17th ed.) CitationDeMers. Fundamentals of Geographic Information Systems. New York: John Wiley & Sons, 1997.
MLA (9th ed.) CitationDeMers. Fundamentals of Geographic Information Systems. John Wiley & Sons, 1997.
Warning: These citations may not always be 100% accurate.