APA Style
      Witty, Paul A.. (1967).
    The educationally retarde and disadvantaged: the sixty-sixth yearbook of the national society for the study of education part I .
    Chicago:
  The National Society for the Study of Education.
  
Chicago Style
      Witty, Paul A..
    The educationally retarde and disadvantaged: the sixty-sixth yearbook of the national society for the study of education part I.
    
    Chicago:
  The National Society for the Study of Education,
  1967.
  Referensi.
  
MLA Style
      Witty, Paul A..
    The educationally retarde and disadvantaged: the sixty-sixth yearbook of the national society for the study of education part I.
    
    Chicago:
  The National Society for the Study of Education,
  1967.
  Referensi.
  
Turabian Style
      Witty, Paul A..
    The educationally retarde and disadvantaged: the sixty-sixth yearbook of the national society for the study of education part I.
     
    Chicago:
  The National Society for the Study of Education,
  1967.
  Referensi.