Please cite the modest package in publications as follows:

  Pallmann P, Wan F (2017) modest: Model-based dose-escalation trials.
  R package version 0.3-1. https://cran.r-project.org/package=modest

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {modest: Model-based dose-escalation trials},
    author = {Philip Pallmann and Fang Wan},
    year = {2017},
    note = {R package version 0.3-1},
    url = {https://cran.r-project.org/package=jocre},
  }