To cite package ‘POSSA’ in publications use:

  Lukács G (2025). _POSSA: Power Simulation for Sequential Analyses and
  Multiple Hypotheses_. R package version 0.6.5,
  <https://github.com/gasparl/possa>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {POSSA: Power Simulation for Sequential Analyses and Multiple Hypotheses},
    author = {Gáspár Lukács},
    year = {2025},
    note = {R package version 0.6.5},
    url = {https://github.com/gasparl/possa},
  }
