Please cite BiGGR as follows

  Gavai AK, Supandi F, Hettling H, Murrell P, Leunissen JAM, van Beek
  JHGM (2015) Using Bioconductor Package BiGGR for Metabolic Flux
  Estimation Based on Gene Expression Changes in Brain. PLoS ONE 10(3):
  e0119016. doi:10.1371/journal.pone.0119016

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Using Bioconductor Package BiGGR for Metabolic Flux Estimation Based on Gene Expression Changes in Brain},
    author = {Anand K. Gavai and Farahaniza Supandi and Hannes Hettling and Paul Murrell and Jack AM Leunissen and Johannes HGM {van Beek}},
    journal = {PLoS ONE},
    year = {2015},
    volume = {10},
    number = {3},
    doi = {doi:10.1371/journal.pone.0119016},
    pages = {e0119016},
  }