To cite package ‘RCT2’ in publications use:

Huang K, Jiang Z, Imai K (2022). RCT2: Designing and Analyzing Two-Stage Randomized Experiments. R package version 0.0.1, https://github.com/kosukeimai/rct2.

Corresponding BibTeX entry:

  @Manual{,
    title = {RCT2: Designing and Analyzing Two-Stage Randomized
      Experiments},
    author = {Karissa Huang and Zhichao Jiang and Kosuke Imai},
    year = {2022},
    note = {R package version 0.0.1},
    url = {https://github.com/kosukeimai/rct2},
  }