To cite package ‘MKpower’ in publications use:

  Kohl M (2024). _MKpower: Power Analysis and Sample Size Calculation_.
  R package version 0.9, <https://github.com/stamats/MKpower>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{MKpower: Power Analysis and Sample Size Calculation}},
    author = {Matthias Kohl},
    language = {English},
    year = {2024},
    note = {R package version 0.9},
    url = {https://github.com/stamats/MKpower},
  }