To cite package ‘ggpower’ in publications use:

  Li Y (2026). _ggpower: Publication-Ready Power Analysis and
  Visualization_. R package version 0.1.1,
  <https://github.com/yaoxiangli/ggpower>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpower: Publication-Ready Power Analysis and Visualization},
    author = {Yaoxiang Li},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/yaoxiangli/ggpower},
  }