To cite ProcMod in publications use:

Coissac E. and Gonindard-Melodelima C. (2019). Assessing the shared variation among high- dimensional data matrices: a modified version of the procrustean correlation coefficient. bioRxiv<doi:10.1101/842070>

Corresponding BibTeX entry:

  @Article{,
    title = {Assessing the shared variation among high-dimensional data
      matrices: a modified version of the Procrustean correlation
      coefficient},
    author = {Eric Coissac and Christelle Gonindard-Melodelima},
    journal = {bioRxiv},
    year = {2019},
    doi = {10.1101/842070},
  }