To cite package ‘StepRegShiny’ in publications use:

  Li J, Hu K, Lu X, Liu W, Julie Zhu L (2025). _StepRegShiny: Graphical
  User Interface for 'StepReg'_. R package version 1.6.1,
  <https://github.com/junhuili1017/stepregshiny>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {StepRegShiny: Graphical User Interface for 'StepReg'},
    author = {Junhui Li and Kai Hu and Xiaohuan Lu and Wenxin Liu and Lihua {Julie Zhu}},
    year = {2025},
    note = {R package version 1.6.1},
    url = {https://github.com/junhuili1017/stepregshiny},
  }