To cite package ‘gginnards’ in publications use:

  Aphalo P (2024). _gginnards: Explore the Innards of 'ggplot2'
  Objects_. R package version 0.2.0, ,
  <https://github.com/aphalo/gginnards>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gginnards: Explore the Innards of 'ggplot2' Objects},
    author = {Pedro J. Aphalo},
    year = {2024},
    note = {R package version 0.2.0, 
},
    url = {https://github.com/aphalo/gginnards},
  }