@incollection{Ferguson77,
  author	= {Ferguson, Charles A.},
  editor	= {Snow, C. E. and Ferguson, C. A.},
  year		= {1977},
  title		= {Baby talk as a simplified register},
  booktitle	= {Talking to children},
  pages		= {209--233},
  publisher	= {Cambridge University Press},
  address	= {Cambridge}
}