To cite pwrss in publications use:

Bulus M (2022). pwrss: Power and Sample Size Calculation Tools. R package version 0.2.0, https://CRAN.R-project.org/package=pwrss.

Corresponding BibTeX entry:

  @Manual{,
    title = {{pwrss}: Power and Sample Size Calculation Tools},
    author = {Metin Bulus},
    note = {R package version 0.2.0},
    year = {2022},
    url = {https://CRAN.R-project.org/package=pwrss},
  }