To cite package ‘packcircles’ in publications use:

  Bedward M, Eppstein D, Menzel P (2024). _packcircles: Circle
  Packing_. R package version 0.3.7,
  <https://CRAN.R-project.org/package=packcircles>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {packcircles: Circle Packing},
    author = {Michael Bedward and David Eppstein and Peter Menzel},
    year = {2024},
    note = {R package version 0.3.7},
    url = {https://CRAN.R-project.org/package=packcircles},
  }