To cite package ‘pkgbuild’ in publications use:

  Wickham H, Hester J, Csárdi G (2024). _pkgbuild: Find Tools Needed to
  Build R Packages_. R package version 1.4.5,
  <https://CRAN.R-project.org/package=pkgbuild>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pkgbuild: Find Tools Needed to Build R Packages},
    author = {Hadley Wickham and Jim Hester and Gábor Csárdi},
    year = {2024},
    note = {R package version 1.4.5},
    url = {https://CRAN.R-project.org/package=pkgbuild},
  }