To cite the nCal package in publications use the following. To cite methodology behind the implementation, please see individual function manuals.

Fong, Sebestyen, Yu, Gilbert, Self (2013). nCal: a R package for nonlinear calibration. Bioinformatics,<doi:10.1093/bioinformatics/btt456>

Corresponding BibTeX entry:

    title = {nCal: a R package for nonlinear calibration.},
    author = {Youyi Fong and Krisz Sebestyen and Xuesong Yu and Peter
      Gilbert and Steve Self},
    journal = {Bioinformatics},
    year = {2013},
    volume = {DOI:10.1093/bioinformatics/btt456},