To cite package ‘etfdata’ in publications use:

Gavin J (2026). etfdata: European UCITS ETF Data Collection. R package version 0.0.0.9000, https://github.com/johngavin/etf-data.

Corresponding BibTeX entry:

  @Manual{,
    title = {etfdata: European UCITS ETF Data Collection},
    author = {John Gavin},
    year = {2026},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/johngavin/etf-data},
  }