To cite braggR in publications use:

Ville Satopää (2021) Regularized Aggregation of One-off Probability Predictions SSRN URL https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3769945

Corresponding BibTeX entry:

  @Unpublished{,
    title = {Regularized Aggregation of One-off Probability
      Predictions},
    author = {Ville Satopää},
    note = {Available in
      https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3769945},
  }