To cite package ‘phase12designs’ in publications use:

  Cao A (2025). _phase12designs: Comprehensive Tools for Running
  Model-Assisted Phase I/II Trial Simulations_. R package version
  0.3.1, <https://CRAN.R-project.org/package=phase12designs>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {phase12designs: Comprehensive Tools for Running Model-Assisted Phase I/II Trial
Simulations},
    author = {Angela Cao},
    year = {2025},
    note = {R package version 0.3.1},
    url = {https://CRAN.R-project.org/package=phase12designs},
  }