To cite package ‘powergrid’ in publications use:

  Dutilh G, Allen R (2026). _powergrid: Power Analysis Across a Grid of
  Assumptions_. R package version 0.5.2,
  <https://github.com/swissclinicaltrialorganisation/powergrid>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {powergrid: Power Analysis Across a Grid of Assumptions},
    author = {Gilles Dutilh and Richard Charles Allen},
    year = {2026},
    note = {R package version 0.5.2},
    url = {https://github.com/swissclinicaltrialorganisation/powergrid},
  }