To cite package ‘CexoR’ in publications use:

  Pedro Madrigal (2015): CexoR: an R/Bioconductor package to uncover
  high-resolution protein-DNA interactions in ChIP-exo replicates.
  EMBnet.journal

A BibTeX entry for LaTeX users is

  @Article{,
    title = {CexoR: an R/Bioconductor package to uncover high-resolution protein-DNA interactions in ChIP-exo replicates},
    author = {Pedro Madrigal},
    year = {2015},
    journal = {EMBnet.journal},
    doi = {10.14806/ej.21.0.837},
    url = {http://journal.embnet.org/index.php/embnetjournal/article/view/837},
    volume = {21},
    issue = {1},
    pages = {e837},
  }

  Pedro Madrigal (2015): Identification of Transcription Factor Binding
  Sites in ChIP-exo using R/Bioconductor. Epigenesys - Bioinformatics
  Protocol 68

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Identification of Transcription Factor Binding Sites in ChIP-exo using R/Bioconductor},
    author = {Pedro Madrigal},
    year = {2015},
    journal = {Epigenesys - Bioinformatics Protocol},
    url = {https://www.epigenesys.eu/en/resources/protocols/bio-informatics},
    volume = {68},
  }