To cite package sf in publications, please use:

  Pebesma, E., & Bivand, R. (2023). Spatial Data Science: With
  Applications in R. Chapman and Hall/CRC.
  https://doi.org/10.1201/9780429459016

A BibTeX entry for LaTeX users is

  @Book{,
    author = {Edzer Pebesma and Roger Bivand},
    title = {{Spatial Data Science: With applications in R}},
    year = {2023},
    publisher = {{Chapman and Hall/CRC}},
    url = {https://r-spatial.org/book/},
    doi = {10.1201/9780429459016},
  }

  Pebesma, E., 2018. Simple Features for R: Standardized Support for
  Spatial Vector Data. The R Journal 10 (1), 439-446,
  https://doi.org/10.32614/RJ-2018-009

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Edzer Pebesma},
    title = {{Simple Features for R: Standardized Support for Spatial Vector Data}},
    year = {2018},
    journal = {{The R Journal}},
    doi = {10.32614/RJ-2018-009},
    url = {https://doi.org/10.32614/RJ-2018-009},
    pages = {439--446},
    volume = {10},
    number = {1},
  }