APA (7th ed.) Citation

Environmental Systems Research Institute (Redlands, Calif.). (2002). What is ArcGIS?: GIS by ESRI. ESRI.

Chicago Style (17th ed.) Citation

Environmental Systems Research Institute (Redlands, Calif.). What Is ArcGIS?: GIS by ESRI. Redlands, CA: ESRI, 2002.

MLA (9th ed.) Citation

Environmental Systems Research Institute (Redlands, Calif.). What Is ArcGIS?: GIS by ESRI. ESRI, 2002.

Warning: These citations may not always be 100% accurate.