To cite package ‘crrcbcv’ in publications use:

  Chen X, Li F (2021). _crrcbcv: Bias-Corrected Variance for Competing
  Risks Regression with Clustered Data_. R package version 1.0,
  <https://CRAN.R-project.org/package=crrcbcv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {crrcbcv: Bias-Corrected Variance for Competing Risks Regression with
Clustered Data},
    author = {Xinyuan Chen and Fan Li},
    year = {2021},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=crrcbcv},
  }