To cite package ‘acde’ in publications use:

  Acosta, J. P. and Lopez-Kleine, L. (2015) acde: Artificial Components
  Detection of Differentially Expressed Genes. Bogota.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{acde}: Artificial Components Detection of Differentially Expressed Genes},
    author = {Juan Pablo Acosta and Liliana Lopez-Kleine},
    address = {Bogota, Colombia},
    year = {2015},
    note = {R package version 1.35.0},
  }