To cite package ‘propopbirth’ in publications use:

Rosin K, Lorenz F, Efosa N (2026). propopbirth: Birth rate forecast based on the FSO methodology. R package version 0.1.1, https://github.com/statistik-aargau/propopbirth.

Corresponding BibTeX entry:

  @Manual{,
    title = {propopbirth: Birth rate forecast based on the FSO
      methodology},
    author = {Klemens Rosin and Felix Lorenz and Norah Efosa},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/statistik-aargau/propopbirth},
  }