To cite package ‘rjd3highfreq’ in publications use:

  Palate J (2026). _rjd3highfreq: Seasonal Adjustment of High Frequency
  Data with 'JDemetra+ 3.x'_. R package version 3.0.1,
  <https://CRAN.R-project.org/package=rjd3highfreq>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rjd3highfreq: Seasonal Adjustment of High Frequency Data with 'JDemetra+ 3.x'},
    author = {Jean Palate},
    year = {2026},
    note = {R package version 3.0.1},
    url = {https://CRAN.R-project.org/package=rjd3highfreq},
  }