To cite package ‘rdborrow’ in publications use:

  Shi L, Secrest M, Pang H, Chen C, Zhu J (2026). _rdborrow: External
  Control Borrowing for Rare Disease Trials_. R package version
  0.0.5.1, <https://CRAN.R-project.org/package=rdborrow>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rdborrow: External Control Borrowing for Rare Disease Trials},
    author = {Lei Shi and Matt Secrest and Herbert Pang and Chen Chen and Jiawen Zhu},
    year = {2026},
    note = {R package version 0.0.5.1},
    url = {https://CRAN.R-project.org/package=rdborrow},
  }