As of version 1.2.1, a paper for this package will tentatively be published in https://joss.theoj.org/papers/eb9d2b2fc3ffb1d440bd7120b66f1f71. Please check the citation information there first. If that is missing, please use the following:

Yang Q (2023). APackOfTheClones: Visualization of clonal expansion with circle packing. doi:10.32614/CRAN.package.APackOfTheClones, https://github.com/Qile0317/APackOfTheClones.

Corresponding BibTeX entry:

  @Manual{,
    title = {APackOfTheClones: Visualization of clonal expansion with
      circle packing},
    author = {Qile Yang},
    year = {2023},
    url = {https://github.com/Qile0317/APackOfTheClones},
    doi = {10.32614/CRAN.package.APackOfTheClones},
  }