APA
Stillwell J. (., Openshaw S. (. & Geertman S. (. (1999). Geographical information and planning. Berlin: Springer-Verlag.
Chicago
Stillwell John (ed), Openshaw Stan (ed) and Geertman Stan (ed). 1999. Geographical information and planning. Berlin: Springer-Verlag.
Harvard
Stillwell J. (., Openshaw S. (. and Geertman S. (. (1999). Geographical information and planning. Berlin: Springer-Verlag.
MLA
Stillwell John (ed), Openshaw Stan (ed) and Geertman Stan (ed). Geographical information and planning. Berlin: Springer-Verlag. 1999.