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

Leeper TJ (2020). aws.kms: 'AWS KMS' Client Package. R package version 0.1.4.

Corresponding BibTeX entry:

  @Manual{,
    title = {aws.kms: 'AWS KMS' Client Package},
    author = {Thomas J. Leeper},
    year = {2020},
    note = {R package version 0.1.4},
  }