@article{847481,
      author = {Klein, Herbert S.},
      url = {http://library.usi.edu/record/847481},
      title = {A population history of the United States [electronic  resource] /},
      publisher = {Cambridge University Press,},
      recid = {847481},
      pages = {xiii, 285 p. :},
      address = {Cambridge ;},
      year = {2012},
}