To cite package ‘CLVTools’ in publications use:

  Bachmann P, Kuebler N, Meierer M, Naef J, Oblander E, Schilter P
  (2024). _CLVTools: Tools for Customer Lifetime Value Estimation_. R
  package version 0.11.1,
  <https://CRAN.R-project.org/package=CLVTools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {CLVTools: Tools for Customer Lifetime Value Estimation},
    author = {Patrick Bachmann and Niels Kuebler and Markus Meierer and Jeffrey Naef and E. Shin Oblander and Patrik Schilter},
    year = {2024},
    note = {R package version 0.11.1},
    url = {https://CRAN.R-project.org/package=CLVTools},
  }