To cite package ‘modelwordcloud’ in publications use:

Hurford P (2017). modelwordcloud: Model Word Clouds. R package version 0.1, https://CRAN.R-project.org/package=modelwordcloud.

Corresponding BibTeX entry:

  @Manual{,
    title = {modelwordcloud: Model Word Clouds},
    author = {Peter Hurford},
    year = {2017},
    note = {R package version 0.1},
    url = {https://CRAN.R-project.org/package=modelwordcloud},
  }