To cite CCA in publications use:

Arto Klami, Seppo Virtanen and Samuel Kaski. Bayesian Canonical Correlation Analysis. Journal of Machine Learning Research, 14:965-1003,2013. http://research.ics.aalto.fi/mi/online-papers/klami13a.pdf

To cite GFA in publications use:

Seppo Virtanen, Arto Klami, Suleiman A. Khan and Samuel Kaski. Bayesian Group Factor Analysis. Proceedings of the Fifteenth International Conference on Artificial Intelligence and Statistics (AISTATS), volume 22 of JMLR W&CP, pages 1269-1277, 2012. http://research.ics.aalto.fi/mi/online-papers/virtanen12.pdf

or:

Arto Klami, Seppo Virtanen, Eemeli Leppaaho and Samuel Kaski. Group Factor Analysis. IEEE Transactions on Neural Networks and Learning Systems, 26(9):2136-2147,2015.

Corresponding BibTeX entries:

  @Article{,
    author = {Arto Klami and Seppo Virtanen and Samuel Kaski},
    title = {Bayesian Canonical Correlation Analysis},
    journal = {Journal of Machine Learning Research},
    volume = {14},
    pages = {965--1003},
    year = {2013},
    url = {http://research.ics.aalto.fi/mi/online-papers/klami13a.pdf},
  }

  @InProceedings{,
    author = {Seppo Virtanen and Arto Klami and Suleiman A. Khan and
      Samuel Kaski},
    title = {Bayesian Group Factor Analysis},
    booktitle = {Proceedings of the Fifteenth International Conference
      on Artificial Intelligence and Statistics (AISTATS)},
    volume = {22},
    pages = {1269--1277},
    year = {2012},
    url =
      {http://research.ics.aalto.fi/mi/online-papers/virtanen12.pdf},
  }

  @Article{,
    author = {Arto Klami and Seppo Virtanen and Eemeli Lepp"{a}aho and
      Samuel Kaski},
    title = {Group Factor Analysis},
    journal = {IEEE Transactions on Neural Networks and Learning
      Systems},
    volume = {26},
    number = {9},
    pages = {2136--2147},
    year = {2015},
    url =
      {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6985615},
  }