To cite package `epiflows` in publications use:

  Moraga P, Dorigatti I, Kamvar ZN, Piatkowski P, Toikkanen SE, Nagraj
  V, Donnelly CA, and Jombart T epiflows: an R package for risk
  assessment of travel-related spread of disease [version 1; referees:
  awaiting peer review]. F1000Research 2018, 7:1374 (doi:
  10.12688/f1000research.16032.1)

A BibTeX entry for LaTeX users is

  @Article{,
    title = {epiflows: an R package for risk assessment of travel-related spread of disease [version 1; referees: awaiting peer review]},
    author = {Paula Moraga and Ilaria Dorigatti and Zhian N. Kamvar and Pawel Piatkowski and Salla E. Toikkanen and VP Nagraj and Christl A. Donnelly and Thibaut Jombart},
    journal = {F1000Research},
    year = {2018},
    volume = {7},
    number = {1374},
    doi = {10.12688/f1000research.16032.1},
  }