To cite spdep in publications use one or more of the following as
appropriate:

  Bivand R, Wong D (2018). “Comparing implementations of global and
  local indicators of spatial association.” _TEST_, *27*(3), 716-748.
  doi:10.1007/s11749-018-0599-x
  <https://doi.org/10.1007/s11749-018-0599-x>.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Roger Bivand and David W. S. Wong},
    title = {Comparing implementations of global and local indicators of spatial association},
    journal = {TEST},
    year = {2018},
    volume = {27},
    number = {3},
    pages = {716--748},
    doi = {10.1007/s11749-018-0599-x},
  }

  Roger Bivand (2022). “R Packages for Analyzing Spatial Data: A
  Comparative Case Study with Areal Data.” _Geographical Analysis_,
  *54*(3), 488-518. doi:10.1111/gean.12319
  <https://doi.org/10.1111/gean.12319>.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Roger Bivand}},
    title = {R Packages for Analyzing Spatial Data: A Comparative Case Study with Areal Data},
    journal = {Geographical Analysis},
    year = {2022},
    volume = {54},
    number = {3},
    pages = {488-518},
    doi = {10.1111/gean.12319},
  }

  Bivand R, Pebesma E, Gómez-Rubio V (2013). _Applied spatial data
  analysis with R, Second edition_. Springer, NY.
  <https://asdar-book.org/>.

A BibTeX entry for LaTeX users is

  @Book{,
    author = {Roger S. Bivand and Edzer Pebesma and Virgilio Gómez-Rubio},
    title = {Applied spatial data analysis with {R}, Second edition},
    year = {2013},
    publisher = {Springer, NY},
    url = {https://asdar-book.org/},
  }

  Pebesma E, Bivand R (2023). _Spatial Data Science With Applications
  in R_. Chapman & Hall. <https://r-spatial.org/book/>.

A BibTeX entry for LaTeX users is

  @Book{,
    author = {Edzer Pebesma and Roger S. Bivand},
    title = {Spatial Data Science With Applications in {R}},
    year = {2023},
    publisher = {Chapman & Hall},
    url = {https://r-spatial.org/book/},
  }