To cite package ‘countdata’ in publications use:

Pham T (2023). countdata: The Beta-Binomial Test for Count Data. R package version 1.3, https://CRAN.R-project.org/package=countdata.

Corresponding BibTeX entry:

  @Manual{,
    title = {countdata: The Beta-Binomial Test for Count Data},
    author = {Thang Pham},
    year = {2023},
    note = {R package version 1.3},
    url = {https://CRAN.R-project.org/package=countdata},
  }