To cite package ‘ELMER’ in publications use:

  Silva, Tiago C and Coetzee, Simon G and Gull, Nicole and Yao, Lijing
  and Hazelett, Dennis J and Noushmehr, Houtan and Lin, De-Chen and
  Berman, Benjamin P. ELMER v.2: An R/Bioconductor package to
  reconstruct gene regulatory networks from DNA methylation and
  transcriptome profiles

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ELMER v.2: An R/Bioconductor package to reconstruct gene regulatory networks from DNA methylation and transcriptome profiles},
    author = {Tiago Chedraoui Silva and Simon G Coetzee and Nicole Gull and Lijing Yao and Dennis J Hazelett and Houtan Noushmehr and De-Chen Lin and Benjamin P Berman},
    year = {2018},
    journal = {Bioinformatics},
    doi = {10.1093/bioinformatics/bty902},
  }