To cite package ‘risq’ in publications use:

  Idema R, Schouten B (2026). _risq: Representativity Indicators for
  Survey Quality_. R package version 3.0.1,
  <https://github.com/reijeridema/risq>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {risq: Representativity Indicators for Survey Quality},
    author = {Reijer Idema and Barry Schouten},
    year = {2026},
    note = {R package version 3.0.1},
    url = {https://github.com/reijeridema/risq},
  }