how to cite qgis - SERP Analysis

http://test.qgis.org/html/en/site/getinvolved/faq/index.html

https://qgis.org/resources/support/faq/

https://gis.stackexchange.com/questions/23622/citing-qgis-in-formal-publications

https://issues.qgis.org/projects/qgis/wiki/QGIS_Citation_Repository

https://library.carleton.ca/guides/help/citing-geospatial-data-and-software

https://www.carleton.edu/spatial-analysis/using-citing-gis-data/

https://www.reddit.com/r/QGIS/comments/i0hy2a/do_i_have_rights_to_publish_basic_qgis_maps/

https://www.designsafe-ci.org/use-designsafe/tools-applications/gis-tools/qgis/

https://subjectguides.uwaterloo.ca/c.php?g=717503&p=5121128

https://www.reddit.com/r/QGIS/comments/mu6el7/citingreferencing_srtm_derived_maps_in_academic/

https://www.scirp.org/reference/referencespapers?referenceid=1985374