To cite demofit in publications:

Li J (2026). demofit: Parametric Mortality Curve Fitting and Mortality Forecasting Tools. R package version 0.1.1, https://CRAN.R-project.org/package=demofit.

Corresponding BibTeX entry:

  @Manual{Li2026demofit,
    title = {demofit: Parametric Mortality Curve Fitting and Mortality
      Forecasting Tools},
    author = {Jackie Li},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=demofit},
  }