To cite smacofx in publications use:

Rusch T, Mair P, de Leeuw J, Hornik K (2026). “Flexible Multidimensional Scaling with the R Package smacofx.” Journal of Statistical Software, 117(7), 1–42. doi:10.18637/jss.v117.i07.

When using eCLCA, eCLDA, eCLPCA or eCLPDA in publications use:

Rusch T (2025). “Multidimensional Scaling With Heaviside Weighting: Extensions to Curvilinear Component Analysis and Curvilinear Distance Analysis.” Stat, 14(3), e70086. doi:10.1002/sta4.70086.

Corresponding BibTeX entries:

  @Article{,
    title = {Flexible Multidimensional Scaling with the {R} Package
      {smacofx}},
    author = {Thomas Rusch and Patrick Mair and Jan {de Leeuw} and Kurt
      Hornik},
    journal = {Journal of Statistical Software},
    year = {2026},
    volume = {117},
    number = {7},
    pages = {1--42},
    doi = {10.18637/jss.v117.i07},
  }

  @Article{,
    title = {Multidimensional Scaling With Heaviside Weighting:
      Extensions to Curvilinear Component Analysis and Curvilinear
      Distance Analysis},
    author = {Thomas Rusch},
    journal = {Stat},
    year = {2025},
    volume = {14},
    number = {3},
    pages = {e70086},
    doi = {10.1002/sta4.70086},
  }