To cite the R package 'PICS' in your publication please use:

  X. Zhang, G. Robertson, M. Krzywinski, K. Ning, A. Droit, S. Jones,
  and R. Gottardo. (2010) PICS: Probabilistic Inference for ChIP-seq,
  Biometrics, 66:151-163. DOI 0.1111/j.1541-0420.2010.01441.x

A BibTeX entry for LaTeX users is

  @Article{,
    title = {PICS: Probabilistic Inference for ChIP-seq},
    author = {Xuekui Zhang and Gordon Robertson and Martin Krzywinski and Kaida Ning and Arnaud Droit and Steven Jones and Raphael Gottardo},
    journal = {Biometrics},
    year = {2010},
    volume = {66},
    note = {R package version 4.4.1},
  }

This free open-source software implements academic research by the
authors and co-workers. If you use it, please support the project by
citing the appropriate journal articles.