(2014, August 7). Geographical Information System (GIS) A Dictionary of Epidemiology.
Chicago Style (17th ed.) Citation"Geographical Information System (GIS)." A Dictionary of Epidemiology 7 Aug. 2014.
MLA (9th ed.) Citation"Geographical Information System (GIS)." A Dictionary of Epidemiology, 7 Aug. 2014.
Warning: These citations may not always be 100% accurate.