Cite
Directional relations and frames of reference.
MLA
Clementini, Eliseo. “Directional Relations and Frames of Reference.” GeoInformatica, vol. 17, no. 2, Apr. 2013, pp. 235–55. EBSCOhost, https://doi.org/10.1007/s10707-011-0147-2.
APA
Clementini, E. (2013). Directional relations and frames of reference. GeoInformatica, 17(2), 235–255. https://doi.org/10.1007/s10707-011-0147-2
Chicago
Clementini, Eliseo. 2013. “Directional Relations and Frames of Reference.” GeoInformatica 17 (2): 235–55. doi:10.1007/s10707-011-0147-2.