Depending on whether you use the SCAN or UPC approach, please cite one
of the following articles:

  Piccolo SR, Sun Y, Campbell JD, Lenburg ME, Bild AH, and Johnson WE.
  A single-sample microarray normalization method to facilitate
  personalized-medicine workflows. Genomics, 2012, 100(6), 337-44.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Stephen R. Piccolo and Ying Sun and Joshua D. Campbell and Marc E. Lenburg and Andrea H. Bild and W. Evan Johnson},
    title = {A single-sample microarray normalization method to facilitate personalized-medicine workflows},
    journal = {Genomics},
    volume = {100},
    number = {6},
    year = {2012},
    pages = {337-344},
    doi = {10.1016/j.ygeno.2012.08.003},
    publisher = {Elsevier},
    address = {Oxford, UK},
  }

  Piccolo SR, Withers MR, Francis OE, Bild AH and Johnson WE.
  Multi-platform single-sample estimates of transcriptional activation.
  Proceedings of the National Academy of Sciences of the United States
  of America, 2013, in press.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Stephen R. Piccolo and Michelle R. Withers and Owen E. Francis and Andrea H. Bild and W. Evan Johnson},
    title = {Multi-platform single-sample estimates of transcriptional activation},
    journal = {Proceedings of the National Academy of Sciences of the United States of America},
    volume = {110},
    number = {44},
    year = {2013},
    pages = {17778-17783},
    doi = {10.1016/j.ygeno.2012.08.003},
  }