To cite package ‘tsdf’ in publications use:

  Guo W, Hui J, Zhong B (2020). _tsdf: Two-/Three-Stage Designs for
  Phase 1&2 Clinical Trials_. R package version 1.1-8,
  <https://CRAN.R-project.org/package=tsdf>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tsdf: Two-/Three-Stage Designs for Phase 1&2 Clinical Trials},
    author = {Wenchuan Guo and Jianan Hui and Bob Zhong},
    year = {2020},
    note = {R package version 1.1-8},
    url = {https://CRAN.R-project.org/package=tsdf},
  }

ATTENTION: This citation information has been auto-generated from the
package DESCRIPTION file and may need manual editing, see
‘help("citation")’.