To cite package ‘centerline’ in publications use:

  Tsyplenkov A (2024). _centerline: Extract Centerline from Closed
  Polygons_. R package version 0.2, ,
  <https://github.com/atsyplenkov/centerline>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {centerline: Extract Centerline from Closed Polygons},
    author = {Anatoly Tsyplenkov},
    year = {2024},
    note = {R package version 0.2, 
},
    url = {https://github.com/atsyplenkov/centerline},
  }