To cite package ‘OneArm2stage’ in publications use:

Yuan X, Pan H, Wu J (2023). OneArm2stage: Phase II Single-Arm Two-Stage Designs with Time-to-Event Outcomes. R package version 1.2.1, https://CRAN.R-project.org/package=OneArm2stage.

Corresponding BibTeX entry:

  @Manual{,
    title = {OneArm2stage: Phase II Single-Arm Two-Stage Designs with
      Time-to-Event Outcomes},
    author = {Xiaomeng Yuan and Haitao Pan and Jianrong Wu},
    year = {2023},
    note = {R package version 1.2.1},
    url = {https://CRAN.R-project.org/package=OneArm2stage},
  }