To cite LifeTableBuilder in publications use:

  Almaraz Valle, V. M., Rodríguez Maciel, J. C., Ramírez Valverde, G.,
  & Aguilar Castillo, C. E. (2026). LifeTableBuilder: Interactive Shiny
  Application for Constructing Life Tables. R package version 0.1.1.
  https://github.com/almarazkrae-4081/lifetablebuilder

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {LifeTableBuilder: Interactive Shiny Application for Constructing Life Tables},
    author = {Víctor Manuel {Almaraz Valle} and J. Concepción {Rodríguez Maciel} and Gustavo {Ramírez Valverde} and Carlos Eduardo {Aguilar Castillo}},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://github.com/almarazkrae-4081/lifetablebuilder},
  }