To cite package ‘TurtleGraphics’ in publications use:

Cena A, Gagolewski M, Zogala-Siudem B, Kosinski M, Potocka N (2022). TurtleGraphics: Turtle Graphics. R package version 1.0-8, https://github.com/gagolews/turtlegraphics.

Corresponding BibTeX entry:

  @Manual{,
    title = {TurtleGraphics: Turtle Graphics},
    author = {Anna Cena and Marek Gagolewski and Barbara Zogala-Siudem
      and Marcin Kosinski and Natalia Potocka},
    year = {2022},
    note = {R package version 1.0-8},
    url = {https://github.com/gagolews/turtlegraphics},
  }