Campelo, C. E. C., Bertolotto, M., & Corcoran, P. (2017). Volunteered geographic information and the future of geospatial data. IGI Global, Disseminator of Knowledge. https://doi.org/10.4018/978-1-5225-2446-5
Chicago-Zitierstil (17. Ausg.)Campelo, Claudio Elizio Calazans, Michela Bertolotto, und Padraig Corcoran. Volunteered Geographic Information and the Future of Geospatial Data. Hershey PA, USA: IGI Global, Disseminator of Knowledge, 2017. https://doi.org/10.4018/978-1-5225-2446-5.
MLA-Zitierstil (9. Ausg.)Campelo, Claudio Elizio Calazans, et al. Volunteered Geographic Information and the Future of Geospatial Data. IGI Global, Disseminator of Knowledge, 2017. https://doi.org/10.4018/978-1-5225-2446-5.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.