To cite package 'aws.lambda' in publications use:

Thomas J. Leeper (2017). aws.lambda: AWS Lambda Client Package. R package version 0.1.6.

Corresponding BibTeX entry:

  @Manual{,
    title = {aws.lambda: AWS Lambda Client Package},
    author = {Thomas J. Leeper},
    year = {2017},
    note = {R package version 0.1.6},
  }