To cite package ‘attempt’ in publications use:

  Fay C (2024). _attempt: Tools for Defensive Programming_. R package
  version 0.3.0, <https://github.com/colinfay/attempt>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {attempt: Tools for Defensive Programming},
    author = {Colin Fay},
    year = {2024},
    note = {R package version 0.3.0},
    url = {https://github.com/colinfay/attempt},
  }