To cite rb3 in publications use:

Freitas W, Perlin M (2022). Download and Parse Public Data Released by B3 Exchange. R package version 0.0.1, https://github.com/wilsonfreitas/rb3.

Corresponding BibTeX entry:

  @Manual{,
    title = {Download and Parse Public Data Released by B3 Exchange},
    author = {Wilson Freitas and Marcelo Perlin},
    note = {R package version 0.0.1},
    year = {2022},
    url = {https://github.com/wilsonfreitas/rb3},
  }