To cite package ‘door’ in publications use:

  He Y (2025). _door: Analysis of Clinical Trials with the Desirability
  of Outcome Ranking Methodology_. R package version 0.0.3,
  <https://CRAN.R-project.org/package=door>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {door: Analysis of Clinical Trials with the Desirability of Outcome
Ranking Methodology},
    author = {Yijie He},
    year = {2025},
    note = {R package version 0.0.3},
    url = {https://CRAN.R-project.org/package=door},
  }