To cite package ‘gsDesignNB’ in publications use:

  Anderson K, Zhang H, Maes A (2026). _gsDesignNB: Sample Size and
  Simulation for Negative Binomial Outcomes_. R package version 0.3.2,
  <https://github.com/keaven/gsdesignnb>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gsDesignNB: Sample Size and Simulation for Negative Binomial Outcomes},
    author = {Keaven Anderson and Hongtao Zhang and Andrea Maes},
    year = {2026},
    note = {R package version 0.3.2},
    url = {https://github.com/keaven/gsdesignnb},
  }