To cite package ‘tidytext’ in publications use:

  Silge J, Robinson D (2016). “tidytext: Text Mining and Analysis Using
  Tidy Data Principles in R.” _JOSS_, *1*(3). doi:10.21105/joss.00037
  <https://doi.org/10.21105/joss.00037>,
  <http://dx.doi.org/10.21105/joss.00037>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {tidytext: Text Mining and Analysis Using Tidy Data Principles in R},
    author = {Julia Silge and David Robinson},
    doi = {10.21105/joss.00037},
    url = {http://dx.doi.org/10.21105/joss.00037},
    year = {2016},
    publisher = {The Open Journal},
    volume = {1},
    number = {3},
    journal = {JOSS},
  }