year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date, perl = TRUE)
vers <- paste("R package version", meta$Version)

bibentry("Manual",
   title = "plusser: A Google+ Interface for R",
   author = person("Christoph", "Waldhauser"),
   organization = "KDSS K Data Science Solutions",
   address      = "Vienna, Austria",
   year   = year,
   note = vers,
   url    = "http://kdss.at/",
   mheader = "To cite plusser in publications use:",
   mfooter = 
     paste("A lot of time and effort went into creating plusser,",
      "please cite it when using it for data retrieval.", sep = " ")
)
