To cite MissingDataGUI in publications use:

Xiaoyue Cheng, Dianne Cook, Heike Hofmann (2015). Visually Exploring Missing Values in Multivariable Data Using a Graphical User Interface. Journal of Statistical Software, 68(6), 1-23. doi:10.18637/jss.v068.i06

Corresponding BibTeX entry:

  @Article{,
    title = {Visually Exploring Missing Values in Multivariable Data
      Using a Graphical User Interface},
    author = {Xiaoyue Cheng and Dianne Cook and Heike Hofmann},
    journal = {Journal of Statistical Software},
    year = {2015},
    volume = {68},
    number = {6},
    pages = {1--23},
    doi = {10.18637/jss.v068.i06},
  }