To cite package ‘riingo’ in publications use:

Vaughan D, Dancho M (2020). riingo: An R Interface to the 'Tiingo' Stock Price API. R package version 0.3.1.9000, https://github.com/business-science/riingo.

Corresponding BibTeX entry:

  @Manual{,
    title = {riingo: An R Interface to the 'Tiingo' Stock Price API},
    author = {Davis Vaughan and Matt Dancho},
    year = {2020},
    note = {R package version 0.3.1.9000},
    url = {https://github.com/business-science/riingo},
  }