To cite JumpeR in publications use:

Pilgrim GA (2020). JumpeR: Package for working with Track and Field Data. version 0.1.3, https://github.com/gpilgrim2670/JumpeR.

Corresponding BibTeX entry:

  @Manual{,
    title = {{JumpeR}: {P}ackage for working with Track and Field
      Data},
    author = {Gregory A. Pilgrim},
    year = {2020},
    note = {version 0.1.3},
    url = {https://github.com/gpilgrim2670/JumpeR},
  }