To cite package ‘CoxICPen’ in publications use:

Wu Q, Zhao H, Sun J (2021). CoxICPen: Variable Selection for Cox's Model with Interval-Censored Data. R package version 1.1.0, https://CRAN.R-project.org/package=CoxICPen.

Corresponding BibTeX entry:

  @Manual{,
    title = {CoxICPen: Variable Selection for Cox's Model with
      Interval-Censored Data},
    author = {Qiwei Wu and Hui Zhao and Jianguo Sun},
    year = {2021},
    note = {R package version 1.1.0},
    url = {https://CRAN.R-project.org/package=CoxICPen},
  }