To cite package ‘citsr’ in publications use:

  Gu H (2025). _citsr: Controlled Interrupted Time Series Analysis and
  Visualization_. R package version 0.1.3,
  <https://CRAN.R-project.org/package=citsr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {citsr: Controlled Interrupted Time Series Analysis and Visualization},
    author = {Hanmin Gu},
    year = {2025},
    note = {R package version 0.1.3},
    url = {https://CRAN.R-project.org/package=citsr},
  }