year <- sub("-.*", "", meta$Date)
note <- sprintf("R package version %s", meta$Version)

bibentry(bibtype = "Article",
  title = "revtools: An R package to support article screening for evidence synthesis",
  author = person(c("Martin", "J."), "Westgate"),
  year = "2019",
  journal = "Research Synthesis Methods",
  doi="10.1002/jrsm.1374"
)
bibentry(bibtype = "Manual",
  title = "{revtools}: Tools to Support Evidence Synthesis",
  author = person(c("Martin", "J."), "Westgate"),
  year = year,
  note = note,
  url = "https://CRAN.R-project.org/package=revtools"
)