APA (7th ed.) Citation

Berry, J. K. (1995). Spatial reasoning for effective GIS: With a collection of mathematical formulae. GIS World Books.

Chicago Style (17th ed.) Citation

Berry, Joseph K. Spatial Reasoning for Effective GIS: With a Collection of Mathematical Formulae. Fort Collins, Colo: GIS World Books, 1995.

MLA (9th ed.) Citation

Berry, Joseph K. Spatial Reasoning for Effective GIS: With a Collection of Mathematical Formulae. GIS World Books, 1995.