The GRASS Development Team, the addon authors, further contributors and
the user community have invested enormous efforts in making GRASS GIS
available to you. Please give credit where credit is due and cite GRASS
GIS and its addons when you use them for data analysis.

For citation choices see below; for citing a particular GRASS GIS
module, you may cite the main author(s) along with the GRASS
Development Team.

Choices for citing the main GRASS GIS software (update YEAR and version
number X.Y accordingly):

* GRASS Development Team, YEAR. Geographic Resources Analysis Support
  System (GRASS) Software, Version X.Y. Open Source Geospatial
  Foundation. http://grass.osgeo.org
* GRASS Development Team, YEAR. Geographic Resources Analysis Support
  System (GRASS) Programmer's Manual. Open Source Geospatial Foundation.
  Electronic document: http://grass.osgeo.org/programming7

Citing a GRASS GIS Addon (update AUTHOR(S), YEAR, Addon-NAME, and
version number X.Y accordingly):

* AUTHOR(S), and GRASS Development Team, YEAR Addon-NAME. Geographic
  Resources Analysis Support System (GRASS) Software, Version X.Y.
  Open Source Geospatial Foundation.
  https://grass.osgeo.org/grass7/manuals/addons/Addon-NAME.html

For other (scientific) references, see

* https://grasswiki.osgeo.org/wiki/GRASS_Citation_Repository

A BibTeX entry for LaTeX users is:

@Manual{GRASS_GIS_software,
  title = {Geographic Resources Analysis Support System (GRASS) Software, Version X.Y},
  author = {{GRASS Development Team}},
  organization = {Open Source Geospatial Foundation},
  address = {USA},
  year = {YEAR},
  url = {http://grass.osgeo.org},
}