To cite package ‘lm.br’ in publications use:

Adams M (2024). lm.br: Linear Model with Breakpoint. R package version 2.9.8, https://CRAN.R-project.org/package=lm.br.

Corresponding BibTeX entry:

  @Manual{,
    title = {lm.br: Linear Model with Breakpoint},
    author = {Marc Adams},
    year = {2024},
    note = {R package version 2.9.8},
    url = {https://CRAN.R-project.org/package=lm.br},
  }