To cite package ‘crt2power’ in publications use:

Owen M (2025). crt2power: Designing Cluster-Randomized Trials with Two Continuous Co-Primary Outcomes. R package version 1.2.2, https://github.com/melodyaowen/crt2power.

Corresponding BibTeX entry:

  @Manual{,
    title = {crt2power: Designing Cluster-Randomized Trials with Two
      Continuous Co-Primary Outcomes},
    author = {Melody Owen},
    year = {2025},
    note = {R package version 1.2.2},
    url = {https://github.com/melodyaowen/crt2power},
  }