@incollection{Simpson90,
  author	= {Simpson, P.},
  editor	= {Nash, W.},
  title		= {Modality in literary-critical discourse},
  booktitle	= {The writing scholar: studies in academic discourse},
  pages		= {63--117},
  publisher	= {Sage},
  year		= {1990},
  address	= {London}
}