To cite package ‘pagenum’ in publications use:

  Wright K (2024). _pagenum: Put Page Numbers on Graphics_. R package
  version 1.3, , <https://github.com/kwstat/pagenum>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pagenum: Put Page Numbers on Graphics},
    author = {Kevin Wright},
    year = {2024},
    note = {R package version 1.3, 
},
    url = {https://github.com/kwstat/pagenum},
  }