To cite package ‘r2stl’ in publications use:

  Walker I, Gama J (2024). _r2stl: Visualizing Data using a 3D
  Printer_. R package version 1.0.3, ,
  <https://github.com/paulnorthrop/r2stl>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {r2stl: Visualizing Data using a 3D Printer},
    author = {Ian Walker and Jose' Gama},
    year = {2024},
    note = {R package version 1.0.3, 
},
    url = {https://github.com/paulnorthrop/r2stl},
  }