citHeader("To cite package 'igraphdata' in publications use
the reference below. Please don't forget to also cite the
paper(s) given at the manual pages of the individual data set(s).")
     
desc <- packageDescription("igraphdata")
year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", desc$Date)
vers <- paste("R package version", desc$Version)
     
citEntry(entry="Manual",
         title = "igraphdata: a collection of network data sets for the igraph package",
         author = personList(as.person("Gabor Csardi")),
         year = year,
         note = vers,
         
         textVersion =
         paste("Gabor Csardi (",
               year,
               "). igraphdata: a collection of network data sets for the igraph package. ",
               vers, ".", sep=""))

