To cite tarchetypes in publications use:

Landau WM (2021). tarchetypes: Archetypes for Targets. https://docs.ropensci.org/tarchetypes/, https://github.com/ropensci/tarchetypes.

Corresponding BibTeX entry:

  @Manual{,
    title = {tarchetypes: Archetypes for Targets},
    author = {William Michael Landau},
    year = {2021},
    note = {{https://docs.ropensci.org/tarchetypes/,
      https://github.com/ropensci/tarchetypes}},
  }