To cite package ‘processx’ in publications use:

  Csárdi G, Chang W (2024). _processx: Execute and Control System
  Processes_. R package version 3.8.4.9000, ,
  <https://github.com/r-lib/processx>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {processx: Execute and Control System Processes},
    author = {Gábor Csárdi and Winston Chang},
    year = {2024},
    note = {R package version 3.8.4.9000, },
    url = {https://github.com/r-lib/processx},
  }