APA Style
      Pinker, S. (1989).
    "Learnability in Optimality Theory
" (1).
    Language acquisition.;Grammar,:
  Cambridge, Mass. : MIT Press,.
  
MLA Style
      Pinker, Steven,.
    ""Learnability in Optimality Theory
"".
    1
    Language acquisition.;Grammar,:
  Cambridge, Mass. : MIT Press,,
  1989.
  Text.