To cite package ‘venn’ in publications use:

  Dusa A (2024). _venn: Draw Venn Diagrams_. R package version 1.12.1,
  <https://github.com/dusadrian/venn>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {venn: Draw Venn Diagrams},
    author = {Adrian Dusa},
    year = {2024},
    note = {R package version 1.12.1},
    url = {https://github.com/dusadrian/venn},
  }