To cite package ‘exactextractr’ in publications use:

  Daniel Baston (2023). _exactextractr: Fast Extraction from Raster
  Datasets using Polygons_. R package version 0.10.0,
  <https://CRAN.R-project.org/package=exactextractr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {exactextractr: Fast Extraction from Raster Datasets using Polygons},
    author = {{Daniel Baston}},
    year = {2023},
    note = {R package version 0.10.0},
    url = {https://CRAN.R-project.org/package=exactextractr},
  }