To cite laeken in publications use:

Alfons A, Templ M (2013). “Estimation of Social Exclusion Indicators from Complex Surveys: The R Package laeken.” Journal of Statistical Software, 54(15), 1–25. http://www.jstatsoft.org/v54/i15/.

Corresponding BibTeX entry:

  @Article{,
    title = {Estimation of Social Exclusion Indicators from Complex
      Surveys: The {R} Package {laeken}},
    author = {Andreas Alfons and Matthias Templ},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {54},
    number = {15},
    pages = {1--25},
    url = {http://www.jstatsoft.org/v54/i15/},
  }