To cite package ‘ggplotplus’ in publications use:

  Bajcz A (2026). _ggplotplus: Universal Design-Oriented Enhancements
  for 'ggplot2'_. R package version 0.5.5,
  <https://CRAN.R-project.org/package=ggplotplus>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggplotplus: Universal Design-Oriented Enhancements for 'ggplot2'},
    author = {Alex Bajcz},
    year = {2026},
    note = {R package version 0.5.5},
    url = {https://CRAN.R-project.org/package=ggplotplus},
  }