To cite mirtCAT in publications use:

Chalmers RP (2016). “Generating Adaptive and Non-Adaptive Test Interfaces for Multidimensional Item Response Theory Applications.” Journal of Statistical Software, 71(5), 1–39. doi:10.18637/jss.v071.i05.

Corresponding BibTeX entry:

  @Article{,
    title = {Generating Adaptive and Non-Adaptive Test Interfaces for
      Multidimensional Item Response Theory Applications},
    author = {R. Philip Chalmers},
    journal = {Journal of Statistical Software},
    year = {2016},
    volume = {71},
    number = {5},
    pages = {1--39},
    doi = {10.18637/jss.v071.i05},
  }