To cite package ‘PSpower’ in publications use:

Liu B (2025). PSpower: Sample Size Calculation for Propensity Score Analysis. R package version 0.1.1, https://github.com/laubok/pspower.

Corresponding BibTeX entry:

  @Manual{,
    title = {PSpower: Sample Size Calculation for Propensity Score
      Analysis},
    author = {Bo Liu},
    year = {2025},
    note = {R package version 0.1.1},
    url = {https://github.com/laubok/pspower},
  }