To cite GDINA package in publications use:

Ma, W. & de la Torre, J. (2018). GDINA: The generalized DINA model framework. R package version 2.1. Retrived from https://CRAN.R-project.org/package=GDINA

Corresponding BibTeX entry:

  @Manual{,
    title = {{GDINA: The generalized DINA model framework}},
    author = {{Ma} and {W.} and {de la Torre} and {J.}},
    year = {2018},
    note = {R package version 2.1},
    url = {https://CRAN.R-project.org/package=GDINA},
  }