To cite `qrcode` in publications please use:

Onkelinx T, Teh V (2024). qrcode: Generate QRcodes with R. Version 0.3.0. doi:10.5281/zenodo.5040088, https://thierryo.github.io/qrcode/.

Corresponding BibTeX entry:

  @Manual{,
    title = {qrcode: Generate QRcodes with R. Version 0.3.0},
    author = {Thierry Onkelinx and Victor Teh},
    year = {2024},
    url = {https://thierryo.github.io/qrcode/},
    abstract = {Create static QR codes in R. The content of the QR code
      is exactly what the user defines. We don't add a redirect URL,
      making it impossible for us to track the usage of the QR code.
      This allows to generate fast, free to use and privacy friendly QR
      codes.},
    keywords = {two-dimensional barcode; matrix barcode},
    doi = {10.5281/zenodo.5040088},
  }