To cite package 'recalls' in publications use:

Thomas J. Leeper (2014). recalls: R Client for Washington Post APIs. R package version 0.1.0.

Corresponding BibTeX entry:

  @Manual{,
    title = {recalls: Access U.S. Federal Government Recall Data},
    author = {Thomas J. Leeper},
    year = {2014},
    note = {R package version 0.1.0},
  }