To cite the 'cocktailApp' package in publications use:

Steven E. Pav (2019). cocktailApp: 'shiny' App to Discover Cocktails. R package version 0.2.1.

Corresponding BibTeX entry:

  @Manual{cocktailApp-Manual,
    title = {{cocktailApp}: 'shiny' App to Discover Cocktails},
    author = {Steven E. Pav},
    year = {2019},
    note = {R package version 0.2.1},
    url = {https://github.com/shabbychef/cocktailApp},
  }