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.

Corresponding BibTeX entry:

  @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},
  }