To cite mixpower in publications use:

Alex Litovchenko M (2024). mixpower: Simulation-Based Power Analysis for Linear Mixed-Effects Models. R package version 0.1.0.

Corresponding BibTeX entry:

  @Manual{,
    title = {mixpower: Simulation-Based Power Analysis for Linear
      Mixed-Effects Models},
    author = {Mixpower {Alex Litovchenko}},
    year = {2024},
    note = {R package version 0.1.0},
  }