To cite package ‘TimeDepFrail’ in publications use:

  Ragni A, Romani G, Masci C (2025). _TimeDepFrail: Time Dependent
  Shared Frailty Cox Model_. R package version 0.0.1,
  <https://CRAN.R-project.org/package=TimeDepFrail>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {TimeDepFrail: Time Dependent Shared Frailty Cox Model},
    author = {Alessandra Ragni and Giulia Romani and Chiara Masci},
    year = {2025},
    note = {R package version 0.0.1},
    url = {https://CRAN.R-project.org/package=TimeDepFrail},
  }