To cite package ‘wid’ in publications use:

  Blanchet T (2026). _wid: Download Data from the World Inequality
  Database_. R package version 0.0.1,
  <https://github.com/world-inequality-database/wid-r-tool>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {wid: Download Data from the World Inequality Database},
    author = {Thomas Blanchet},
    year = {2026},
    note = {R package version 0.0.1},
    url = {https://github.com/world-inequality-database/wid-r-tool},
  }