To cite package ‘leapfrog’ in publications use:

Imai-Eaton J, Walters M, Ashton R, Kusumgar M (2026). leapfrog: Multistate Population Projection Model for Demographic and HIV Estimation. R package version 0.1.10, https://github.com/hivtools/leapfrog.

Corresponding BibTeX entry:

  @Manual{,
    title = {leapfrog: Multistate Population Projection Model for
      Demographic and HIV Estimation},
    author = {Jeffrey Imai-Eaton and Magdalene Walters and Robert
      Ashton and Mantra Kusumgar},
    year = {2026},
    note = {R package version 0.1.10},
    url = {https://github.com/hivtools/leapfrog},
  }