To cite package ‘rpxl’ in publications use:

  Barks P (2024). _rpxl: Read Password-Protected Excel Files_. R
  package version 0.1.0.9000, <https://github.com/epicentre-msf/rpxl>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rpxl: Read Password-Protected Excel Files},
    author = {Patrick Barks},
    year = {2024},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/epicentre-msf/rpxl},
  }