VOCKNER, Bernhard, RICHTER, Andreas und MITTLBÖCK, Manfred, 2013. From Geoportals to Geographic Knowledge Portals. ISPRS International Journal of Geo-Information. 1 Juni 2013. Vol. 2, no. 2, p. 256-275. DOI 10.3390 jgi2020256.
Elsevier - Harvard (with titles)Vockner, B., Richter, A., Mittlböck, M., 2013. From Geoportals to Geographic Knowledge Portals. ISPRS International Journal of Geo-Information 2, 256-275. https://doi.org/10.3390 jgi2020256
American Psychological Association 7th editionVockner, B., Richter, A., & Mittlböck, M. (2013). From Geoportals to Geographic Knowledge Portals. ISPRS International Journal of Geo-Information, 2(2), 256-275. https://doi.org/10.3390 jgi2020256
Springer - Basic (author-date)Vockner B, Richter A, Mittlböck M (2013) From Geoportals to Geographic Knowledge Portals.. ISPRS International Journal of Geo-Information 2:256-275. https://doi.org/10.3390 jgi2020256
Juristische Zitierweise (Stüber) (Deutsch)Vockner, Bernhard/ Richter, Andreas/ Mittlböck, Manfred, From Geoportals to Geographic Knowledge Portals., ISPRS International Journal of Geo-Information 2013, 256-275.