To cite package ‘atools’ in publications use:

  Flávio H (2026). _atools: Tools to Manipulate ATO_. R package version
  0.0.0.9001, <https://github.com/trackyverse/atools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {atools: Tools to Manipulate ATO},
    author = {Hugo Flávio},
    year = {2026},
    note = {R package version 0.0.0.9001},
    url = {https://github.com/trackyverse/atools},
  }