To cite package ‘allcontributors’ in publications use:

  Padgham M, Hartgerink C (2024). _allcontributors: Acknowledge all
  Contributors to a Project_. R package version 0.2.2,
  <https://CRAN.R-project.org/package=allcontributors>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {allcontributors: Acknowledge all Contributors to a Project},
    author = {Mark Padgham and Chris Hartgerink},
    year = {2024},
    note = {R package version 0.2.2},
    url = {https://CRAN.R-project.org/package=allcontributors},
  }