APA (7th ed.) Citation

Korte, G. (1994). The GIS book (3rd ed., expanded for education and training.). OnWord Press.

Chicago Style (17th ed.) Citation

Korte, George. The GIS Book. 3rd ed., expanded for education and training. Santa Fe, NM: OnWord Press, 1994.

MLA (9th ed.) Citation

Korte, George. The GIS Book. 3rd ed., expanded for education and training. OnWord Press, 1994.