To cite package ‘fqardl’ in publications use:

Alkhalaf M (2026). fqardl: Fourier ARDL Methods: Quantile, Nonlinear, Multi-Threshold & Unit Root Tests. R package version 1.0.2, https://CRAN.R-project.org/package=fqardl.

Corresponding BibTeX entry:

  @Manual{,
    title = {fqardl: Fourier ARDL Methods: Quantile, Nonlinear,
      Multi-Threshold & Unit Root Tests},
    author = {Muhammad Alkhalaf},
    year = {2026},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=fqardl},
  }