To cite support.BWS3 in publications use:

Aizaki H (2019). support.BWS3: Tools for Case 3 Best-Worst Scaling. R package version 0.2-0, https://CRAN.R-project.org/package=support.BWS3.

Corresponding BibTeX entry:

  @Manual{,
    title = {{support.BWS3: Tools for Case 3 Best-Worst Scaling}},
    author = {Hideo Aizaki},
    year = {2019},
    note = {R package version 0.2-0},
    url = {https://CRAN.R-project.org/package=support.BWS3},
  }