To cite package ‘o2ools’ in publications use:

  Geismar C (2025). _o2ools: Tools for 'outbreaker2'_. R package
  version 0.0.1, <https://github.com/cygei/o2ools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {o2ools: Tools for 'outbreaker2'},
    author = {Cyril Geismar},
    year = {2025},
    note = {R package version 0.0.1},
    url = {https://github.com/cygei/o2ools},
  }