To cite package ‘rintcal’ in publications use:

  Blaauw M (2024). _rintcal: Radiocarbon Calibration Curves_. R package
  version 1.1.1, <https://CRAN.R-project.org/package=rintcal>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rintcal: Radiocarbon Calibration Curves},
    author = {Maarten Blaauw},
    year = {2024},
    note = {R package version 1.1.1},
    url = {https://CRAN.R-project.org/package=rintcal},
  }