To cite xtcspqardl in publications use:

  Alkhalaf M (2026). _Cross-Sectionally Augmented Panel Quantile ARDL_.
  doi:10.32614/CRAN.package.xtcspqardl
  <https://doi.org/10.32614/CRAN.package.xtcspqardl>. R package version
  1.0.2, <https://CRAN.R-project.org/package=xtcspqardl>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Cross-Sectionally Augmented Panel Quantile ARDL},
    author = {Muhammad Abdullah Alkhalaf},
    year = {2026},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=xtcspqardl},
    doi = {10.32614/CRAN.package.xtcspqardl},
  }