To cite package ‘fixerapi’ in publications use:

Odell E (2020). fixerapi: An R Client for the "Fixer.io" Currency API. R package version 0.1.6.9000, https://docs.evanodell.com/fixerapi.

Corresponding BibTeX entry:

  @Manual{,
    title = {fixerapi: An R Client for the "Fixer.io" Currency API},
    author = {Evan Odell},
    year = {2020},
    note = {R package version 0.1.6.9000},
    url = {https://docs.evanodell.com/fixerapi},
  }