To cite HMDHFDplus in publications, please use:

T. Riffe. Reading Human Fertility Database and Human Mortality Database data into R. MPIDR, TR-2015-004, 2015.

Corresponding BibTeX entry:

  @TechReport{,
    author = {Tim Riffe},
    title = {Reading Human Fertility Database and Human Mortality
      Database data into R},
    institution = {MPIDR},
    year = {2015},
    url = {https://dx.doi.org/10.4054/MPIDR-TR-2015-004},
    number = {TR-2015-004},
    doi = {10.4054/MPIDR-TR-2015-004},
  }