APA (7th ed.) Citation

Davis Bruce Ellsworth. (1996). GIS: Α visual approach. OnWord Press.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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