To cite package ‘TimeDepFrail’ in publications use:

  Ragni A, Romani G (2024). _TimeDepFrail: Time Dependent Shared
  Frailty Cox Model_. R package version 0.0.0.9,
  <https://github.com/alessandragni/timedepfrail>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {TimeDepFrail: Time Dependent Shared Frailty Cox Model},
    author = {Alessandra Ragni and Giulia Romani},
    year = {2024},
    note = {R package version 0.0.0.9},
    url = {https://github.com/alessandragni/timedepfrail},
  }