To cite package ‘radiatR’ in publications use:

  Kirwan J (2026). _radiatR: Analyse and Visualise Headings and
  Trajectories on the Unit Disk_. R package version 0.1.3,
  <https://CRAN.R-project.org/package=radiatR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {radiatR: Analyse and Visualise Headings and Trajectories on the Unit Disk},
    author = {John D. Kirwan},
    year = {2026},
    note = {R package version 0.1.3},
    url = {https://CRAN.R-project.org/package=radiatR},
  }