citHeader("To cite 'MatchingFrontier' in publications use:")

vers <- paste("R package version", meta$Version)

citEntry(entry = "misc",
         title        = "{MatchingFrontier}: {R} Package for Computing the Matching Frontier",
         author       = personList(as.person("Gary King"),
             as.person("Christopher Lucas"),
             as.person("Richard A. Nielsen")),
         year         = "2015",
         url          = "http://projects.iq.harvard.edu/frontier",
         HOWPUBLISHED = vers,
         
         textVersion  =
             paste("King, Gary, Christopher Lucas, and Richard Nielsen. 2015",
                   "'MatchingFrontier: R Package for Computing the Matching Frontier.",
                   vers)
         )

citEntry(entry = "Article",
         title        = "The Balance-Sample Size Frontier in Matching Methods for Causal Inference",
         author       = personList(as.person("Gary King"),
             as.person("Christopher Lucas"),
             as.person("Richard A. Nielsen")),
         year         = "2014",
         url          = "http://projects.iq.harvard.edu/frontier",
         journal      = 'submitted',
         
         textVersion  =
             paste("King, Gary, Christopher Lucas, and Richard Nielsen. 2015.",
                   "The Balance-Sample Size Frontier in Matching Methods for Causal Inference.",
                   "Available at http://gking.harvard.edu/files/gking/files/frontier_2.pdf)"),
         
         header       = "For the underlying method please cite the following paper:"
         )
