To cite package ‘timeless’ in publications use:

  Schoch D (2024). _timeless: Fast General Purpose Date/Time
  Converter_. R package version 0.2.4,
  <https://CRAN.R-project.org/package=timeless>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {timeless: Fast General Purpose Date/Time Converter},
    author = {David Schoch},
    year = {2024},
    note = {R package version 0.2.4},
    url = {https://CRAN.R-project.org/package=timeless},
  }