To cite package ‘rehydratoR’ in publications use:

  Coakley K (2019). _rehydratoR: Downloads Tweets from a List of Tweet
  IDs_. R package version 0.5.2,
  <https://github.com/kevincoakley/rehydrator>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rehydratoR: Downloads Tweets from a List of Tweet IDs},
    author = {Kevin Coakley},
    year = {2019},
    note = {R package version 0.5.2},
    url = {https://github.com/kevincoakley/rehydrator},
  }