Howard, II J (2016). waterfall: Waterfall Charts in R. R package version 1.0.2, https://jameshoward.us/software/waterfall.

Corresponding BibTeX entry:

  @Manual{,
    title = {{waterfall}: Waterfall Charts in R},
    author = {James P. {{Howard, II}}},
    year = {2016},
    note = {R package version 1.0.2},
    url = {https://jameshoward.us/software/waterfall},
  }