DeMers, M. N. (2009). Fundamentals of geographic information systems (4th ed.). John Wiley & Sons.
Chicago Style (17th ed.) CitationDeMers, Michael N. Fundamentals of Geographic Information Systems. 4th ed. Hoboken, N.J.: John Wiley & Sons, 2009.
MLA (9th ed.) CitationDeMers, Michael N. Fundamentals of Geographic Information Systems. 4th ed. John Wiley & Sons, 2009.
Warning: These citations may not always be 100% accurate.