APA (7th ed.) Citation

Davis, B. E. (1996). GIS: A visual approach. OnWord Press.

Chicago Style (17th ed.) Citation

Davis, Bruce Ellsworth. GIS: A Visual Approach. Santa Fe, NM: OnWord Press, 1996.

MLA (8th ed.) Citation

Davis, Bruce Ellsworth. GIS: A Visual Approach. OnWord Press, 1996.

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