To cite pimeta in publications use:

Nagashima K, Noma H, Furukawa TA. Prediction interval for random-effects meta-analysis: a confidence distribution approach. Statistical Methods in Medical Research 2018. In press.<doi:10.1177/0962280218773520>.

Corresponding BibTeX entry:

  @Article{,
    title = {Prediction interval for random-effects meta-analysis: a
      confidence distribution approach},
    author = {Kengo Nagashima and Hisashi Noma and Toshi A. Furukawa},
    journal = {Statistical Methods in Medical Research},
    year = {2018},
    page = {In press},
    doi = {10.1177/0962280218773520},
    note = {Post-print available at (http://nshi.jp/en/)},
  }