To cite seqinr in publications use:

Charif, D. and Lobry, J.R. (2007)

Corresponding BibTeX entry:

    author = {D. Charif and J.R. Lobry},
    title = {Seqin{R} 1.0-2: a contributed package to the {R} project
      for statistical computing devoted to biological sequences
      retrieval and analysis.},
    booktitle = {Structural approaches to sequence evolution:
      Molecules, networks, populations},
    year = {2007},
    editor = {U. Bastolla and M. Porto and H.E. Roman and M.
    series = {Biological and Medical Physics, Biomedical Engineering},
    pages = {207-232},
    address = {New York},
    publisher = {Springer Verlag},
    note = {{ISBN :} 978-3-540-35305-8},