To cite DAKS in publications use:

Ünlü A, Sargin A (2010). “DAKS: An R Package for Data Analysis Methods in Knowledge Space Theory.” Journal of Statistical Software, 37(2), 1–31. https://www.jstatsoft.org/article/view/v037i02.

Corresponding BibTeX entry:

  @Article{,
    title = {{DAKS}: An {R} Package for Data Analysis Methods in
      Knowledge Space Theory},
    author = {Ali \"Unl\"u and Anatol Sargin},
    journal = {Journal of Statistical Software},
    year = {2010},
    volume = {37},
    number = {2},
    pages = {1--31},
    url = {https://www.jstatsoft.org/article/view/v037i02},
  }