To cite package ‘flexsurvPlus’ in publications use:

Bennett I, Gregory J, Smith S, Birnie R (2023). flexsurvPlus: Provides Functions to Perform Survival Analysis for Economic models. R package version 1.06, https://github.com/roche/flexsurvplus.

Corresponding BibTeX entry:

  @Manual{,
    title = {flexsurvPlus: Provides Functions to Perform Survival
      Analysis for Economic models},
    author = {Iain Bennett and Jo Gregory and Sarah Smith and Richard
      Birnie},
    year = {2023},
    note = {R package version 1.06},
    url = {https://github.com/roche/flexsurvplus},
  }