To cite qadf in publications use:

  Alkhalaf M (2026). _Quantile Augmented Dickey-Fuller Unit Root Test_.
  doi:10.32614/CRAN.package.qadf
  <https://doi.org/10.32614/CRAN.package.qadf>. R package version
  1.0.0, <https://CRAN.R-project.org/package=qadf>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Quantile Augmented Dickey-Fuller Unit Root Test},
    author = {Muhammad Abdullah Alkhalaf},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=qadf},
    doi = {10.32614/CRAN.package.qadf},
  }