To cite package 'MetabolAnalyze' in publications use:

Gift N, Gormley IC, Brennan L (2010). MetabolAnalyze: probabilistic principal components analysis for metabolomic data. R package version 1.3.1.

Corresponding BibTeX entry:

  @Manual{,
    title = {MetabolAnalyze: probabilistic principal components
      analysis for metabolomic data},
    author = {Nyamundanda Gift and Isobel Claire Gormley and Lorraine
      Brennan},
    year = {2010},
    note = {R package version 1.3.1},
  }