To cite package ‘mfa’ in publications use:

  Campbell, Kieran R., and Christopher Yau. Probabilistic modeling of
  bifurcations in single-cell gene expression data using a Bayesian
  mixture of factor analyzers. Wellcome open research 2 (2017).

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Kieran R Campbell and Christopher Yau},
    title = {Probabilistic modeling of bifurcations in single-cell gene expression data using a Bayesian mixture of factor analyzers},
    journal = {Wellcome open research},
    year = {2017},
    volume = {2},
    url = {http://dx.doi.org/10.12688/wellcomeopenres.11087.1},
    doi = {10.12688/wellcomeopenres.11087.1},
  }