To cite package ‘sdrt’ in publications use:

  De Alwis T, Samadi S (2024). _sdrt: Estimating the Sufficent
  Dimension Reduction Subspaces in Time Series_.
  <https://CRAN.R-project.org/package=sdrt>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{sdrt}: Estimating the Sufficent Dimension Reduction Subspaces in Time Series},
    author = {Tharindu P. {De Alwis} and S. Yaser Samadi},
    year = {2024},
    url = {https://CRAN.R-project.org/package=sdrt},
  }