To cite polyfreqs in publications use:

Blischak PD, Kubatko LS, and Wolfe AD. 2016. Accounting for genotype uncertainty in the estimation of allele frequences in autopolyploids. Molecular Ecology Resources 16: 742-754.

Corresponding BibTeX entry:

  @Article{,
    title = {Accounting for genotype uncertainty in the estimation of
      allele frequencies in autopolyploids},
    author = {Paul D. Blischak and Laura S. Kubatko and Andrea D.
      Wolfe},
    journal = {Molecular Ecology Resources},
    year = {2016},
    volume = {16},
    pages = {742--754},
  }