To cite package ‘JPSurv’ in publications use:

  Mariotto A, Devasia T, Shao Y, Zhang F (2025). _JPSurv: Joinpoint
  Model for Relative and Cause-Specific Survival_. R package version
  3.0.20, <https://CRAN.R-project.org/package=JPSurv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {JPSurv: Joinpoint Model for Relative and Cause-Specific Survival},
    author = {Angela Mariotto and Theresa Devasia and Yongwu Shao and Fanni Zhang},
    year = {2025},
    note = {R package version 3.0.20},
    url = {https://CRAN.R-project.org/package=JPSurv},
  }