To cite package ‘pwr4exp’ in publications use:

  Wang K, Arshad U, Niu M (2024). “Enhancing quality of dairy cattle
  research through adequate power analysis.” _agriRxiv_.
  doi:10.31220/agriRxiv.2024.00278
  <https://doi.org/10.31220/agriRxiv.2024.00278>, Preprint.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Enhancing quality of dairy cattle research through adequate power analysis},
    author = {Kai Wang and Usman Arshad and Mutian Niu},
    journal = {agriRxiv},
    year = {2024},
    doi = {10.31220/agriRxiv.2024.00278},
    publisher = {CABI},
    note = {Preprint},
  }