To cite metapack in publications use:

Lim D, Chen M, Ibrahim JG, Kim S, Shah AK, Lin J (2022). “metapack: An R Package for Bayesian Meta-Analysis and Network Meta-Analysis with a Unified Formula Interface.” The R Journal, 14(3), 142-161. https://doi.org/10.32614/RJ-2022-047.

Corresponding BibTeX entry:

  @Article{,
    title = {metapack: An R Package for Bayesian Meta-Analysis and
      Network Meta-Analysis with a Unified Formula Interface},
    author = {Daeyoung Lim and Ming-Hui Chen and Joseph G. Ibrahim and
      Sungduk Kim and Arvind K. Shah and Jianxin Lin},
    journal = {The R Journal},
    year = {2022},
    volume = {14},
    number = {3},
    pages = {142-161},
    url = {https://doi.org/10.32614/RJ-2022-047},
  }