To cite package ‘shiftR’ in publications use:

Shabalin A, van den Oord E (2019). shiftR: Fast Enrichment Analysis via Circular Permutations. R package version 1.5, https://github.com/andreyshabalin/shiftr.

Corresponding BibTeX entry:

  @Manual{,
    title = {shiftR: Fast Enrichment Analysis via Circular
      Permutations},
    author = {Andrey A Shabalin and Edwin J C G {van den Oord}},
    year = {2019},
    note = {R package version 1.5},
    url = {https://github.com/andreyshabalin/shiftr},
  }