To cite package ‘ps’ in publications use:

  Loden J, Daeschler D, Rodola' G, Csárdi G (2024). _ps: List, Query,
  Manipulate System Processes_. R package version 1.7.7.9000, ,
  <https://github.com/r-lib/ps>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ps: List, Query, Manipulate System Processes},
    author = {Jay Loden and Dave Daeschler and Giampaolo Rodola' and Gábor Csárdi},
    year = {2024},
    note = {R package version 1.7.7.9000, },
    url = {https://github.com/r-lib/ps},
  }