To cite package ‘StepReg’ in publications use:

  Li J, Hu K, Lu X, Liu W, Julie Zhu L (2024). _StepReg: Stepwise
  Regression Analysis_. R package version 1.5.5,
  <https://CRAN.R-project.org/package=StepReg>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {StepReg: Stepwise Regression Analysis},
    author = {Junhui Li and Kai Hu and Xiaohuan Lu and Wenxin Liu and Lihua {Julie Zhu}},
    year = {2024},
    note = {R package version 1.5.5},
    url = {https://CRAN.R-project.org/package=StepReg},
  }