Reference:

Leo Lahti. RPA: probe reliability and differential gene expression analysis. BioConductor 2.5, October 2009. Computer program.

Suggested BibTeX entry:

@misc{Lahti09rpa,
    author = {Leo Lahti},
    howpublished = {BioConductor 2.5},
    month = {October},
    note = {Computer program.},
    title = {{RPA: probe reliability and differential gene expression analysis}},
    year = {2009},
}