To cite pbdDEMO in a publication use:

Schmidt, D., Chen, W.-C., Ostrouchov, G., and Patel, P. (2013) pbdDEMO: Programming with Big Data -- Demonstrations of pbd Packages, URL http://cran.r-project.org/package=pbdDEMO

Schmidt, D., Chen, W.-C., Patel, P., and Ostrouchov, G. (2014) Speaking Serial R with a Parallel Accent (Ver. 0.3-0). R Vignette, URL http://cran.r-project.org/package=pbdDEMO

Corresponding BibTeX entries:

  @Misc{Schmidt2013pbdDEMOpackage,
    title = {pbdDEMO: Programming with Big Data -- Demonstrations of
      pbd Packages},
    author = {Drew Schmidt and Wei-Chen Chen and George Ostrouchov and
      Pragneshkumar Patel},
    year = {2013},
    note = {R Package, URL http://cran.r-project.org/package=pbdDEMO},
  }
  @Manual{Schmidt2014pbdDEMOvignette,
    title = {Speaking Serial R with a Parallel Accent (Ver. 0.3-0)},
    author = {Drew Schmidt and Wei-Chen Chen and Pragneshkumar Patel
      and George Ostrouchov},
    year = {2014},
    note = {R Vignette, URL http://cran.r-project.org/package=pbdDEMO},
  }