APA (7th ed.) Citation

Korte, G. B. (1997). The GIS book (4th edition.). Onword Press.

Chicago Style (17th ed.) Citation

Korte, George B. The GIS Book. 4th edition. Camino Etranda: Onword Press, 1997.

MLA (8th ed.) Citation

Korte, George B. The GIS Book. 4th edition. Onword Press, 1997.

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