APA (7th ed.) Citation

Harder, C. (1999). Enterprise GIS for energy companies. Environmental Systems Research Institute.

Chicago Style (17th ed.) Citation

Harder, Christian. Enterprise GIS for Energy Companies. Redlands, California: Environmental Systems Research Institute, 1999.

MLA (8th ed.) Citation

Harder, Christian. Enterprise GIS for Energy Companies. Environmental Systems Research Institute, 1999.

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