To cite package ‘spbtest5’ in publications use:

  Shepherd L (2020). _spbtest5: Test Single Package Builder_. R package
  version 0.99.1, <https://github.com/bioconductor/spbtest3>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {spbtest5: Test Single Package Builder},
    author = {Lori Shepherd},
    year = {2020},
    note = {R package version 0.99.1},
    url = {https://github.com/bioconductor/spbtest3},
  }