To cite package ‘rjd3highfreq’ in publications use:

  Palate J (2024). _rjd3highfreq: Seasonal Adjustment of High Frequency
  Data with 'JDemetra+ 3.x'_. R package version 2.1.1.9000, ,
  <https://github.com/rjdverse/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 = {2024},
    note = {R package version 2.1.1.9000, 
},
    url = {https://github.com/rjdverse/rjd3highfreq},
  }