To cite EDIutils in publications use:

  Smith C (????). _EDIutils: An API Client for the Environmental Data
  Initiative Repository in R_. <https://github.com/ropensci/EDIutils>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{EDIutils}: An API Client for the Environmental Data Initiative Repository in R},
    author = {Colin Smith},
    url = {https://github.com/ropensci/EDIutils},
  }