To cite package ‘futility’ in publications use:

  Sumner M (2024). _futility: Helpers for the 'GDAL' Application
  Utility Libraries_. R package version 0.0.0.9001,
  <https://github.com/hypertidy/futility>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {futility: Helpers for the 'GDAL' Application Utility Libraries},
    author = {Michael D. Sumner},
    year = {2024},
    note = {R package version 0.0.0.9001},
    url = {https://github.com/hypertidy/futility},
  }