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.

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.

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

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

Corresponding BibTeX entries:

  @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},
  }

  @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},
  }

  @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/},
  }

  @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/},
  }