To cite package ‘ssutil’ in publications use:

Aponte J (2026). ssutil: Sample Size Calculation Tools. R package version 1.2.0, https://github.com/johnaponte/ssutil.

Corresponding BibTeX entry:

  @Manual{,
    title = {ssutil: Sample Size Calculation Tools},
    author = {John J. Aponte},
    year = {2026},
    note = {R package version 1.2.0},
    url = {https://github.com/johnaponte/ssutil},
  }