To cite package ‘deltatest’ in publications use:

  Makiyama K (2025). _deltatest: Statistical Hypothesis Testing Using
  the Delta Method_. R package version 0.1.0.9000, ,
  <https://github.com/hoxo-m/deltatest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {deltatest: Statistical Hypothesis Testing Using the Delta Method},
    author = {Koji Makiyama},
    year = {2025},
    note = {R package version 0.1.0.9000, 
},
    url = {https://github.com/hoxo-m/deltatest},
  }