APA (7th ed.) Citation
(1990). Understanding GIS-The ARC/INFO Method: PC Version. ESRI Press.
Chicago Style (17th ed.) Citation
Understanding GIS-The ARC/INFO Method: PC Version. Redlans: ESRI Press, 1990.
MLA (9th ed.) Citation
Understanding GIS-The ARC/INFO Method: PC Version. ESRI Press, 1990.
Warning: These citations may not always be 100% accurate.