To cite package ‘ChainLadder’ in publications use:

  Gesmann M, Murphy D, Zhang Y, Carrato A, Wuthrich M, Concina F, Dal
  Moro E (2024). _ChainLadder: Statistical Methods and Models for
  Claims Reserving in General Insurance_. R package version 0.2.19,
  <https://CRAN.R-project.org/package=ChainLadder>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ChainLadder: Statistical Methods and Models for Claims Reserving in General
Insurance},
    author = {Markus Gesmann and Daniel Murphy and Yanwei (Wayne) Zhang and Alessandro Carrato and Mario Wuthrich and Fabio Concina and Eric {Dal Moro}},
    year = {2024},
    note = {R package version 0.2.19},
    url = {https://CRAN.R-project.org/package=ChainLadder},
  }