To cite package ‘venny’ in publications use:

  Lai J (2026). _venny: Venn Diagram_. R package version 0.0.3,
  <https://github.com/p10911004-npust/venny>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {venny: Venn Diagram},
    author = {Joon-Keat Lai},
    year = {2026},
    note = {R package version 0.0.3},
    url = {https://github.com/p10911004-npust/venny},
  }