To cite DEsubs package please cite the following paper:

Vrahatis, A. G., Balomenos, P., Tsakalidis, A. K., & Bezerianos, A. (2016). DEsubs: an R package for flexible identification of differentially expressed subpathways using RNA-seq experiments. Bioinformatics, btw544.

Corresponding BibTeX entry:

  @Article{,
    author = {Aristidis G Vrahatis and Panos Balomenos and Athanasios
      Tsakalidis and Anastasios Bezerianos},
    title = {{DEsubs}: an R package for flexible identification of
      differentially expressed subpathways using RNA-seq experiments},
    journal = {Bioinformatics},
    pages = {btw544},
    year = {2016},
  }