To cite package ‘SubTS’ in publications use:

  Grabchak M, Can L (2023). _SubTS: Positive Tempered Stable
  Distributions and Related Subordinators_. R package version 1.0,
  <https://CRAN.R-project.org/package=SubTS>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SubTS: Positive Tempered Stable Distributions and Related Subordinators},
    author = {Michael Grabchak and Lijuan Can},
    year = {2023},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=SubTS},
  }