To cite package ‘tvcure’ in publications use:

  Lambert P (2025). _tvcure: Additive Cure Survival Model with
  Time-Varying Covariates_. R package version 0.6.6,
  <https://github.com/plambertuliege/tvcure>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tvcure: Additive Cure Survival Model with Time-Varying Covariates},
    author = {Philippe Lambert},
    year = {2025},
    note = {R package version 0.6.6},
    url = {https://github.com/plambertuliege/tvcure},
  }