To cite package ‘ggupset’ in publications use:

  Ahlmann-Eltze C (2024). _ggupset: Combination Matrix Axis for
  'ggplot2' to Create 'UpSet' Plots_. R package version 0.4.0.9000,
  <https://github.com/const-ae/ggupset>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggupset: Combination Matrix Axis for 'ggplot2' to Create 'UpSet' Plots},
    author = {Constantin Ahlmann-Eltze},
    year = {2024},
    note = {R package version 0.4.0.9000},
    url = {https://github.com/const-ae/ggupset},
  }