To cite package ‘gt4ireval’ in publications use:

Urbano J (2017). gt4ireval: Generalizability Theory for Information Retrieval Evaluation. R package version 2.0, https://github.com/julian-urbano/gt4ireval.

Corresponding BibTeX entry:

  @Manual{,
    title = {gt4ireval: Generalizability Theory for Information
      Retrieval Evaluation},
    author = {Julián Urbano},
    year = {2017},
    note = {R package version 2.0},
    url = {https://github.com/julian-urbano/gt4ireval},
  }