To cite package ‘ssMRCT’ in publications use:

  Qing K, Ren X, Xu J (2026). _ssMRCT: Regional Consistency Evaluation
  and Sample Size Calculation for MRCTs_. R package version 0.2.0,
  <https://CRAN.R-project.org/package=ssMRCT>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ssMRCT: Regional Consistency Evaluation and Sample Size Calculation for
MRCTs},
    author = {Kunhai Qing and Xinru Ren and Jin Xu},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=ssMRCT},
  }