To cite missMDA in publications use:

Julie Josse, Francois Husson (2016). missMDA: A Package for Handling Missing Values in Multivariate Data Analysis. Journal of Statistical Software, 70(1), 1-31.<doi:10.18637/jss.v070.i01>

Corresponding BibTeX entry:

  @Article{,
    title = {{missMDA}: A Package for Handling Missing Values in
      Multivariate Data Analysis},
    author = {Julie Josse and Fran\c{c}ois Husson},
    journal = {Journal of Statistical Software},
    year = {2016},
    volume = {70},
    number = {1},
    pages = {1--31},
    doi = {10.18637/jss.v070.i01},
  }