To cite package ‘area’ in publications use:

  Sumner M (2024). _area: Calculate Area of Triangles and Polygons_. R
  package version 0.2.0, , <https://github.com/hypertidy/area>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {area: Calculate Area of Triangles and Polygons},
    author = {Michael Sumner},
    year = {2024},
    note = {R package version 0.2.0, 
},
    url = {https://github.com/hypertidy/area},
  }