To cite fsr in publications use:

To refer to its second version:

Carniel AC, Venâncio PVAB, Schneider M (2023). “fsr: An R package for fuzzy spatial data handling.” Transactions in GIS, 27(3), 900–927. doi:10.1111/tgis.13044.

To refer to its first version and the implementation of fuzzy spatial inference models:

Carniel AC, Galdino F, Philippsen JS, Schneider M (2021). “Handling Fuzzy Spatial Data in R using the fsr Package.” In ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 526–535. doi:10.1145/3474717.3484255.

Corresponding BibTeX entries:

  @Article{fsr23TGIS,
    title = {{fsr}: An {R} package for fuzzy spatial data handling},
    author = {Anderson C. Carniel and Pedro V. A. B. Venâncio and
      Markus Schneider},
    journal = {Transactions in GIS},
    year = {2023},
    volume = {27},
    number = {3},
    pages = {900--927},
    doi = {10.1111/tgis.13044},
  }

  @InProceedings{fsr21SIGSPATIAL,
    title = {Handling Fuzzy Spatial Data in {R} using the {fsr}
      Package},
    author = {Anderson C. Carniel and Felippe Galdino and Juliana S.
      Philippsen and Markus Schneider},
    booktitle = {ACM SIGSPATIAL International Conference on Advances in
      Geographic Information Systems},
    year = {2021},
    pages = {526--535},
    doi = {10.1145/3474717.3484255},
  }