To cite package 'apcluster' in publications use:

  Ulrich Bodenhofer, Andreas Kothmeier, and Sepp Hochreiter (2011)
  APCluster: an R package for affinity propagation clustering
  Bioinformatics 27:2463-2464. DOI: 10.1093/bioinformatics/btr406.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {APCluster: an R package for affinity propagation clustering},
    author = {Ulrich Bodenhofer and Andreas Kothmeier and Sepp Hochreiter},
    journal = {Bioinformatics},
    year = {2011},
    volume = {27},
    pages = {2463--2464},
    doi = {10.1093/bioinformatics/btr406},
  }

  Brendan J. Frey and Delbert Dueck (2007). Clustering by passing
  messages between data points. Science 315:972-977. DOI:
  10.1126/science.1136800.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Clustering by passing messages between data points},
    author = {Brendan J. Frey and Delbert Dueck},
    journal = {Science},
    volume = {315},
    pages = {972--977},
    year = {2007},
    doi = {10.1126/science.1136800},
  }

To obtain the references in BibTeX format, enter
'toBibtex(citation("apcluster"))'