To cite package ‘etrader’ in publications use:

  Balentine A (2025). _etrader: 'ETRADE' API Interface for R_. R
  package version 0.1.5, <https://github.com/exploringfinance/etrader>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {etrader: 'ETRADE' API Interface for R},
    author = {Anthony Balentine},
    year = {2025},
    note = {R package version 0.1.5},
    url = {https://github.com/exploringfinance/etrader},
  }