To cite package ‘smcure’ in publications use:

  Cai C, Wang S, Lu W, Zhang J (2025). _smcure: Fit Semiparametric
  Mixture Cure Models_. R package version 2.2,
  <https://CRAN.R-project.org/package=smcure>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {smcure: Fit Semiparametric Mixture Cure Models},
    author = {Chao Cai and Songfeng Wang and Wenbin Lu and Jiajia Zhang},
    year = {2025},
    note = {R package version 2.2},
    url = {https://CRAN.R-project.org/package=smcure},
  }